| Demographics | Population | Year | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Population in 1990 | 650 | averages: | 7,019 | 1,301 | 1,662 | 1,662 | 17,140 | 
| Population in 2000 | 843 | averages: | 8,354 | 1,410 | 2,141 | 2,141 | 18,090 | 
| Population in 2010 | 866 | averages: | 8,408 | 1,447 | 2,362 | 2,362 | 18,660 | 
| Projected Population in 2020 | 851 | averages: | 8,576 | 1,448 | 2,602 | 2,602 | 19,310 | 
| Projected Population in 2030 | 819 | averages: | 8,701 | 1,401 | 2,805 | 2,805 | 19,930 | 
Age | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Population for Ages 5-19 in 1990 | 109 | averages: | 1,288 | 278 | 293 | 293 | 3,247 | 
| Population for Ages 5-19 in 2000 | 143 | averages: | 1,590 | 309 | 406 | 406 | 3,641 | 
| Population for Ages 5-19 in 2010 | 130 | averages: | 1,377 | 260 | 361 | 361 | 3,572 | 
| Population for Ages 20-34 in 1990 | 135 | averages: | 1,487 | 268 | 347 | 347 | 4,603 | 
| Population for Ages 20-34 in 2000 | 98 | averages: | 1,154 | 193 | 329 | 329 | 3,792 | 
| Population for Ages 20-34 in 2010 | 99 | averages: | 1,086 | 181 | 372 | 372 | 3,763 | 
| Population for Ages 35-64 in 1990 | 251 | averages: | 2,556 | 503 | 639 | 639 | 5,769 | 
| Population for Ages 35-64 in 2000 | 405 | averages: | 3,573 | 662 | 980 | 980 | 7,074 | 
| Population for Ages 35-64 in 2010 | 402 | averages: | 3,702 | 723 | 1,117 | 1,117 | 7,700 | 
| Population for Ages 65 and over in 1990 | 113 | averages: | 1,207 | 156 | 260 | 260 | 2,321 | 
| Population for Ages 65 and over in 2000 | 158 | averages: | 1,617 | 172 | 307 | 307 | 2,449 | 
| Population for Ages 65 and over in 2010 | 199 | averages: | 1,872 | 220 | 385 | 385 | 2,571 | 
| Median Age | 49.3 | averages: | 47.67 | 48 | 46.74 | 46.74 | 43 | 
| Number of Students Enrolled in 2012 | 1,010 | averages: | 1,470 | 1,220 | 878 | 878 | 3,159 | 
| Low Income Students | 155 | averages: | 327 | 321 | 153 | 153 | 1,045 | 
| Change in Enrollment since 2005-06 | -148 | averages: | -174 | -200 | -117 | -117 | -125 | 
| Change in Low Income Students since 2005-06 | 87 | averages: | 128 | 47 | 76 | 76 | 230 | 
Race | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Non-Hispanic White Population in 2010 | 830 | averages: | 7,632 | 1,382 | 2,040 | 2,040 | 14,200 | 
| Non-Hispanic Black/African American Population in 2010 | 15 | averages: | 147 | 9 | 68 | 68 | 1,115 | 
| Non-Hispanic Asian Population in 2010 | 2 | averages: | 88 | 8 | 17 | 17 | 990 | 
| Non-Hispanic Pacific Islander Population in 2010 | 0 | averages: | 3 | 0 | 0 | 0 | 4 | 
| Non-Hispanic Native American Population in 2010 | 2 | averages: | 76 | 3 | 25 | 25 | 30 | 
| Hispanic/Latino Population in 2010 | 7 | averages: | 144 | 23 | 54 | 54 | 1,788 | 
| Non-Hispanic multi-race Population in 2010 | 9 | averages: | 193 | 17 | 75 | 75 | 348 | 
| Non-Hispanic Other One Race Population in 2011 | 1 | averages: | 123 | 1 | 81 | 81 | 175 | 
| % Non-Hispanic White Population in 2010 | 95.843 | averages: | 87.64 | 95 | 85.16 | 85.16 | 89 | 
| % Non-Hispanic Black/African American Population in 2010 | 1.7321 | averages: | 1.612 | 0.6361 | 2.019 | 2.019 | 2.001 | 
| % Non-Hispanic Asian Population in 2010 | 0.2309 | averages: | 0.73 | 0.6326 | 0.5173 | 0.5173 | 2.728 | 
| % Non-Hispanic Pacific Islander Population in 2010 | 0 | averages: | 0.02996 | 0.01141 | 0.0155 | 0.0155 | 0.01784 | 
| % Non-Hispanic Native American Population in 2010 | 0.2309 | averages: | 3.208 | 0.5174 | 4.136 | 4.136 | 0.2327 | 
| % Hispanic/Latino Population in 2010 | 0.8083 | averages: | 1.826 | 1.495 | 2.109 | 2.109 | 3 | 
| % Non-Hispanic multi-race Population in 2010 | 1.0393 | averages: | 3.244 | 1.308 | 3.823 | 3.823 | 1.445 | 
| % Non-Hispanic Other One Race Population in 2010 | 0.1155 | averages: | 1.715 | 0.08804 | 2.219 | 2.219 | 0.4433 | 
| White Population in 2000 | 818 | averages: | 7,731 | 1,364 | 1,927 | 1,927 | 14,810 | 
| % White Population in 2000 | 97.0344 | averages: | 88.82 | 96 | 86.99 | 86.99 | 92 | 
| Minority Population in 2000 | 25 | averages: | 623 | 45 | 214 | 214 | 3,279 | 
| % Minority Population in 2000 | 2.9656 | averages: | 11.18 | 3.591 | 13.01 | 13.01 | 7 | 
| Minority Population in 2010 | 36 | averages: | 776 | 64 | 322 | 322 | 4,452 | 
| % Minority Population in 2010 | 4.157 | averages: | 12.36 | 4.688 | 14.84 | 14.84 | 10 | 
Population Projections | Year | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | Age | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Projected Population for Ages 5-19 in 2020 | 100 | averages: | 1,060 | 212 | 302 | 302 | 3,245 | 
| Projected Population for Ages 5-19 in 2030 | 78 | averages: | 1,050 | 183 | 290 | 290 | 3,185 | 
| Projected Population for Ages 20-34 in 2020 | 69 | averages: | 1,106 | 161 | 323 | 323 | 3,988 | 
| Projected Population for Ages 20-34 in 2030 | 75 | averages: | 954 | 144 | 311 | 311 | 3,811 | 
| Projected Population for Ages 35-64 in 2020 | 359 | averages: | 3,549 | 664 | 1,178 | 1,178 | 7,706 | 
| Projected Population for Ages 35-64 in 2030 | 322 | averages: | 3,225 | 550 | 1,194 | 1,194 | 7,544 | 
| Projected Population for Ages 65 and over in 2020 | 297 | averages: | 2,494 | 363 | 681 | 681 | 3,358 | 
| Projected Population for Ages 65 and over in 2030 | 322 | averages: | 3,138 | 485 | 901 | 901 | 4,367 | 
Households | Type | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Family households with children in 2010 | 88 | averages: | 826 | 151 | 254 | 254 | 2,052 | 
| % Family households with children in 2010 | 22.11 | averages: | 23.97 | 24 | 23.39 | 23.39 | 29 | 
| Non-Family households with children in 2010 | 156 | averages: | 1,362 | 193 | 449 | 449 | 2,688 | 
| % Non-Family households with children in 2010 | 39.2 | averages: | 38.64 | 32 | 42.76 | 42.76 | 31 | 
| Households with householder living alone in 2010 | 126 | averages: | 1,135 | 148 | 352 | 352 | 2,086 | 
| % Households with householder living alone in 2010 | 31.66 | averages: | 32.53 | 25 | 35.39 | 35.39 | 25 | 
| Households with householder 65 years and over living alone in 2010 | 43 | averages: | 546 | 54 | 131 | 131 | 772 | 
| Households with householder 65 years and over living alone in 2010 | 10.8 | averages: | 11.75 | 9.103 | 10.09 | 10.09 | 10 | 
Tenure | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Owner-Occupied Households in 2010 | 294 | averages: | 2,755 | 498 | 700 | 700 | 4,521 | 
| % Owner-Occupied Households in 2010 | 73.87 | averages: | 70.04 | 84 | 63.54 | 63.54 | 76 | 
| Renter-Occupied Households in 2010 | 104 | averages: | 887 | 97 | 352 | 352 | 2,734 | 
| % Renter-Occupied Households in 2010 | 26.13 | averages: | 29.96 | 15 | 36.46 | 36.46 | 23 | 
Year | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Households in 2000 | 382 | averages: | 3,466 | 547 | 917 | 917 | 6,962 | 
| Households in 2010 | 398 | averages: | 3,642 | 595 | 1,052 | 1,052 | 7,256 | 
| Average Household Size in 2000 | 2.21 | averages: | 2.346 | 2.518 | 2.256 | 2.256 | 2.585 | 
| Average Household Size in 2010 | 2.16 | averages: | 2.248 | 2.383 | 2.166 | 2.166 | 2 | 
Age | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Households with Householder Age 15-29 in 2010 | — | averages: |  |  |  |  | 580 | 
| Households with Householder Age 30-44 in 2010 | — | averages: |  |  |  |  | 1,276 | 
| Households with Householder Age 45-59 in 2010 | — | averages: |  |  |  |  | 1,567 | 
| Households with Householder Age 60-74 in 2010 | — | averages: |  |  |  |  | 941 | 
| Households with Householder Age 75 and over in 2010 | — | averages: |  |  |  |  | 528 | 
Household Projections | Year | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Projected Households in 2020 | — | averages: |  |  |  |  | 5,370 | 
| Projected Households in 2030 | — | averages: |  |  |  |  | 5,794 | 
| Projected Average Household Size in 2020 | — | averages: |  |  |  |  | 1.138 | 
| Projected Average Household Size in 2030 | — | averages: |  |  |  |  | 1.09 | 
Age | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Projected Households with Householder Age 15-29 in 2020 | — | averages: |  |  |  |  | 592 | 
| Projected Households with Householder Age 30-44 in 2020 | — | averages: |  |  |  |  | 1,349 | 
| Projected Households with Householder Age 45-59 in 2020 | — | averages: |  |  |  |  | 1,503 | 
| Projected Households with Householder Age 60-74 in 2020 | — | averages: |  |  |  |  | 1,352 | 
| Projected Households with Householder Age 75 and over in 2020 | — | averages: |  |  |  |  | 572 | 
| Projected Households with Householder Age 15-29 in 2030 | — | averages: |  |  |  |  | 562 | 
| Projected Households with Householder Age 30-44 in 2030 | — | averages: |  |  |  |  | 1,481 | 
| Projected Households with Householder Age 45-59 in 2030 | — | averages: |  |  |  |  | 1,404 | 
| Projected Households with Householder Age 60-74 in 2030 | — | averages: |  |  |  |  | 1,505 | 
| Projected Households with Householder Age 75 and over in 2030 | — | averages: |  |  |  |  | 840 | 
| Projected Household Demand for Ages 15-34 between 2010-2020 | — | averages: |  |  |  |  | 833 | 
Tenure | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Projected Rented Single Family Household Demand for Ages 15-34 between 2010-2020 | — | averages: |  |  |  |  | 29 | 
| Projected Owned Single Family Household Demand for Ages 15-34 between 2010-2020 | — | averages: |  |  |  |  | 143 | 
| Projected Rented Multi-Family Household Demand for Ages 15-34 between 2010-2020 | — | averages: |  |  |  |  | 516 | 
| Projected Owned Multi-Family Household Demand for Ages 15-34 between 2010-2020 | — | averages: |  |  |  |  | 143 | 
| Projected Household Demand for Ages 35-54 between 2010-2020 | — | averages: |  |  |  |  | 193 | 
| Projected Rented Single Family Household Demand for Ages 35-54 between 2010-2020 | — | averages: |  |  |  |  | 2 | 
| Projected Owned Single Family Household Demand for Ages 35-54 between 2010-2020 | — | averages: |  |  |  |  | 421 | 
| Projected Rented Multi-Family Household Demand for Ages 35-54 between 2010-2020 | — | averages: |  |  |  |  | -235 | 
| Projected Owned Multi-Family Household Demand for Ages 35-54 between 2010-2020 | — | averages: |  |  |  |  | 5 | 
| Projected Household Demand for Ages 55-74 between 2010-2020 | — | averages: |  |  |  |  | -82 | 
| Projected Rented Single Family Household Demand for Ages 55-74 between 2010-2020 | — | averages: |  |  |  |  | -28 | 
| Projected Owned Single Family Household Demand for Ages 55-74 between 2010-2020 | — | averages: |  |  |  |  | -96 | 
| Projected Rented Multi-Family Household Demand for Ages 55-74 between 2010-2020 | — | averages: |  |  |  |  | -1 | 
| Projected Owned Multi-Family Household Demand for Ages 55-74 between 2010-2020 | — | averages: |  |  |  |  | 41 | 
| Projected Household Demand for Ages 75 and over between 2010-2020 | — | averages: |  |  |  |  | -477 | 
| Projected Rented Single Family Household Demand for Ages 75 and over between 2010-2020 | — | averages: |  |  |  |  | -18 | 
| Projected Owned Single Family Household Demand for Ages 75 and over between 2010-2020 | — | averages: |  |  |  |  | -269 | 
| Projected Rented Multi-Family Household Demand for Ages 75 and over between 2010-2020 | — | averages: |  |  |  |  | -112 | 
| Projected Owned Multi-Family Household Demand for Ages 75 and over between 2010-2020 | — | averages: |  |  |  |  | -80 | 
Supply | Stock | Type | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Estimate Housing Units | 1,575
± 126 | averages: | 5,761 | 807 | 2,465 | 2,465 | 8,002 | 
| % Single housing units | 98.1 | averages: | 90.56 | 88 | 93.63 | 93.63 | 76 | 
| % Single housing units, margin of error | 0.74 | averages: | 4.124 | 5.322 | 4.559 | 4.559 | 3 | 
| % 2-4 housing units | 0.7 | averages: | 5.645 | 6.374 | 3.911 | 3.911 | 12 | 
| % 2-4 housing units, margin of error | 1.03 | averages: | 2.524 | 4.201 | 2.629 | 2.629 | 3 | 
| % 5-9 housing units | 0 | averages: | 1.084 | 1.066 | 0.9429 | 0.9429 | 3 | 
| % 5-9 housing units, margin of error | 0.76 | averages: | 1.122 | 2.57 | 1.54 | 1.54 | 1.805 | 
| % 10-19 housing units | 0 | averages: | 0.327 | 0.4118 | 0.1957 | 0.1957 | 2 | 
| % 10-19 housing units, margin of error | 0.76 | averages: | 1.228 | 2 | 1.503 | 1.503 | 1.482 | 
| % 20+ housing units | 0 | averages: | 1.669 | 0.5111 | 0.2714 | 0.2714 | 4 | 
| % 20+ housing units, margin of error | 0.76 | averages: | 2.007 | 2.339 | 1.543 | 1.543 | 3 | 
| % Other housing units | 1.21 | averages: | 0.716 | 3.057 | 1.053 | 1.053 | 1.648 | 
| % Other housing units, margin of error | 1.42 | averages: | 1.432 | 4.293 | 1.963 | 1.963 | 2.093 | 
| Estimated occupied housing units | 326
± 65 | averages: | 3,518 | 587 | 841 | 841 | 7,207 | 
| Estimated housing units | 300
± 67 | averages: | 3,478 | 580 | 795 | 795 | 7,185 | 
Age | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Housing units built before 1939 | 20.86 | averages: | 17.97 | 28 | 20.1 | 20.1 | 26 | 
| Housing units built before 1939, margin of error | 7.46 | averages: | 6.071 | 7.696 | 8.441 | 8.441 | 4 | 
| Housing units built before 1940-1959 | 10.43 | averages: | 13.07 | 12.5 | 10.22 | 10.22 | 16 | 
| Housing units built before 1940-1959, margin of error | 4.79 | averages: | 6.613 | 5.967 | 8.083 | 8.083 | 3 | 
| Housing units built before 1960-1979 | 14.42 | averages: | 22.01 | 21 | 18.04 | 18.04 | 24 | 
| Housing units built before 1960-1979, margin of error | 6.23 | averages: | 7.568 | 6 | 9.576 | 9.576 | 4 | 
| Housing units built before 1980-2000 | 40.8 | averages: | 34.67 | 27 | 38.64 | 38.64 | 24 | 
| Housing units built before 1980-2000, margin of error | 11.79 | averages: | 8.708 | 7.804 | 12.23 | 12.23 | 4 | 
| Housing units built in 2000 or after | 13.5 | averages: | 12.29 | 9.795 | 13 | 13 | 9 | 
| Housing units built in 2000 or after, margin of error | 6.63 | averages: | 7.211 | 5.975 | 10.19 | 10.19 | 3 | 
Permits | Tenure by Year | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Number of building permits in 2000 | 36 | averages: | 85 | 8 | 35 | 35 | 51 | 
| Single Family unit permits in 2000 | 36 | averages: | 79 | 8 | 31 | 31 | 40 | 
| Multi-Family unit permits in 2000 | 0 | averages: | 6 | 0 | 3 | 3 | 10 | 
| Number of building permits in 2001 | 40 | averages: | 72 | 9 | 27 | 27 | 48 | 
| Single Family unit permits in 2001 | 40 | averages: | 71 | 8 | 27 | 27 | 37 | 
| Multi-Family unit permits in 2001 | 0 | averages: | 0 | 0 | 0 | 0 | 11 | 
| Number of building permits in 2002 | 44 | averages: | 64 | 11 | 30 | 30 | 49 | 
| Single Family unit permits in 2002 | 44 | averages: | 62 | 9 | 30 | 30 | 38 | 
| Multi-Family unit permits in 2002 | 0 | averages: | 1 | 1 | 0 | 0 | 10 | 
| Number of building permits in 2003 | 48 | averages: | 63 | 11 | 34 | 34 | 57 | 
| Single Family unit permits in 2003 | 48 | averages: | 56 | 10 | 33 | 33 | 37 | 
| Multi-Family unit permits in 2003 | 0 | averages: | 6 | 0 | 0 | 0 | 20 | 
| Number of building permits in 2004 | 51 | averages: | 74 | 10 | 36 | 36 | 64 | 
| Single Family unit permits in 2004 | 51 | averages: | 61 | 10 | 36 | 36 | 42 | 
| Multi-Family unit permits in 2004 | 0 | averages: | 12 | 0 | 0 | 0 | 21 | 
| Number of building permits in 2005 | 46 | averages: | 81 | 10 | 33 | 33 | 69 | 
| Single Family unit permits in 2005 | 46 | averages: | 66 | 9 | 33 | 33 | 41 | 
| Multi-Family unit permits in 2005 | 0 | averages: | 15 | 0 | 0 | 0 | 28 | 
| Number of building permits in 2006 | 39 | averages: | 46 | 7 | 26 | 26 | 55 | 
| Single Family unit permits in 2006 | 39 | averages: | 41 | 7 | 26 | 26 | 31 | 
| Multi-Family unit permits in 2006 | 0 | averages: | 4 | 0 | 0 | 0 | 24 | 
| Number of building permits in 2007 | 30 | averages: | 42 | 6 | 26 | 26 | 43 | 
| Single Family unit permits in 2007 | 30 | averages: | 35 | 6 | 26 | 26 | 25 | 
| Multi-Family unit permits in 2007 | 0 | averages: | 7 | 0 | 0 | 0 | 18 | 
| Number of building permits in 2008 | 21 | averages: | 28 | 5 | 17 | 17 | 28 | 
| Single Family unit permits in 2008 | 21 | averages: | 22 | 3 | 17 | 17 | 15 | 
| Multi-Family unit permits in 2008 | 0 | averages: | 5 | 1 | 0 | 0 | 12 | 
| Number of building permits in 2009 | 17 | averages: | 18 | 3 | 15 | 15 | 22 | 
| Single Family unit permits in 2009 | 17 | averages: | 16 | 3 | 15 | 15 | 14 | 
| Multi-Family unit permits in 2009 | 0 | averages: | 2 | 0 | 0 | 0 | 8 | 
| Number of building permits in 2010 | 17 | averages: | 20 | 3 | 16 | 16 | 25 | 
| Single Family unit permits in 2010 | 17 | averages: | 18 | 3 | 16 | 16 | 16 | 
| Multi-Family unit permits in 2010 | 0 | averages: | 2 | 0 | 0 | 0 | 9 | 
| Number of building permits in 2011 | 12 | averages: | 19 | 2 | 12 | 12 | 22 | 
| Single Family unit permits in 2011 | 12 | averages: | 17 | 2 | 12 | 12 | 13 | 
| Multi-Family unit permits in 2011 | 0 | averages: | 2 | 0 | 0 | 0 | 8 | 
| Number of building permits in 2012 | 12 | averages: | 26 | 2 | 12 | 12 | 31 | 
| Single Family unit permits in 2012 | 12 | averages: | 19 | 2 | 12 | 12 | 16 | 
| Multi-Family unit permits in 2012 | 0 | averages: | 7 | 0 | 0 | 0 | 14 | 
Affordability | Cost Burden | AMI | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| % Households with income < 30% AMI | 13.3333 | averages: | 9.731 | 10.89 | 11.93 | 11.93 | 11 | 
| % Households with income < 30% AMI, margin of error | 6.1572 | averages: | 29.14 | 19 | 41.69 | 41.69 | 6 | 
| % Households with income 30 - 50% AMI | 20 | averages: | 12.38 | 12.98 | 15.1 | 15.1 | 10 | 
| % Households with income 30 - 50% AMI, margin of error | 8.7777 | averages: | 5.552 | 14 | 8.066 | 8.066 | 5 | 
| % Households with income 50 - 80% AMI | 15 | averages: | 12.86 | 14 | 13.13 | 13.13 | 11 | 
| % Households with income 50 - 80% AMI, margin of error | 9.5685 | averages: | 29.52 | 17 | 41.97 | 41.97 | 6 | 
| % Households with income 80 - 100% AMI | 18 | averages: | 11.33 | 11.4 | 13.37 | 13.37 | 9 | 
| % Households with income 80 - 100% AMI, margin of error | 10.3739 | averages: | 28.95 | 22 | 42.16 | 42.16 | 7 | 
| % Households with income > 100% AMI | 33.3333 | averages: | 53.61 | 50 | 46 | 46 | 55 | 
| % Households with income > 100% AMI, margin of error | 32.9161 | averages: | 9.546 | 16 | 15.63 | 15.63 | 7 | 
| % Households with income < 30% of AMI that are cost burdened | 50 | averages: | 81.46 | 78 | 76.64 | 76.64 | 81 | 
| % Households with income < 30% of AMI that are cost burdened, margin of error | 266.113 | averages: | 250 | 211 | 382 | 382 | 61 | 
| % Households with income 30 - 50% AMI that are cost burdened | 70.4918 | averages: | 71 | 61 | 74.2 | 74.2 | 67 | 
| % Households with income 30 - 50% AMI that are cost burdened, margin of error | 157.958 | averages: | 112 | 260 | 170 | 170 | 77 | 
| % Households with income 50 - 80% AMI that are cost burdened | 46.9388 | averages: | 56 | 44 | 59.8 | 59.8 | 49 | 
| % Households with income 50 - 80% AMI that are cost burdened, margin of error | 118.888 | averages: | 189 | 238 | 275 | 275 | 72 | 
| % Households with income 80 - 100% of AMI that are cost burdened | 59.2593 | averages: | 35.71 | 31 | 40.33 | 40.33 | 39 | 
| % Households with income 80 - 100% of AMI that are cost burdened, margin of error | 141.26 | averages: | 170 | 288 | 249 | 249 | 86 | 
| % Households with income >100% of AMI that are cost burdened | 8.1633 | averages: | 18.67 | 10.32 | 20.3 | 20.3 | 14 | 
| % Households with income >100% of AMI that are cost burdened, margin of error | 97.0934 | averages: | 69 | 75 | 110.9 | 110.9 | 21 | 
Income Limits | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Extremely Low (30%) Income Limits for a 1 Person Household | 18,550 | averages: | 17,830 | 18,100 | 18,540 | 18,540 | 18,670 | 
| Extremely Low (30%) Income Limits for a 2 Person Household | 21,200 | averages: | 20,360 | 20,670 | 21,200 | 21,200 | 21,320 | 
| Extremely Low (30%) Income Limits for a 3 Person Household | 23,850 | averages: | 22,920 | 23,280 | 23,860 | 23,860 | 24,000 | 
| Extremely Low (30%) Income Limits for a 4 Person Household | 26,450 | averages: | 25,420 | 25,830 | 26,460 | 26,460 | 26,640 | 
| Extremely Low (30%) Income Limits for a 5 Person Household | 28,600 | averages: | 27,500 | 27,950 | 28,600 | 28,600 | 28,800 | 
| Extremely Low (30%) Income Limits for a 6 Person Household | 30,700 | averages: | 29,520 | 30,000 | 30,700 | 30,700 | 30,940 | 
| Extremely Low (30%) Income Limits for a 7 Person Household | 32,800 | averages: | 31,540 | 32,050 | 32,800 | 32,800 | 33,050 | 
| Extremely Low (30%) Income Limits for a 8 Person Household | 34,950 | averages: | 33,590 | 34,120 | 34,940 | 34,940 | 35,180 | 
| Very Low (50%) Income Limits for a 1 Person Household | 30,850 | averages: | 29,680 | 30,200 | 30,860 | 30,860 | 31,110 | 
| Very Low (50%) Income Limits for a 2 Person Household | 35,250 | averages: | 33,900 | 34,500 | 35,260 | 35,260 | 35,560 | 
| Very Low (50%) Income Limits for a 3 Person Household | 39,650 | averages: | 38,140 | 38,820 | 39,660 | 39,660 | 39,970 | 
| Very Low (50%) Income Limits for a 4 Person Household | 44,050 | averages: | 42,360 | 43,080 | 44,060 | 44,060 | 44,390 | 
| Very Low (50%) Income Limits for a 5 Person Household | 47,600 | averages: | 45,770 | 46,550 | 47,600 | 47,600 | 47,980 | 
| Very Low (50%) Income Limits for a 6 Person Household | 51,100 | averages: | 49,150 | 50,000 | 51,100 | 51,100 | 51,540 | 
| Very Low (50%) Income Limits for a 7 Person Household | 54,650 | averages: | 52,560 | 53,460 | 54,660 | 54,660 | 55,070 | 
| Very Low (50%) Income Limits for a 8 Person Household | 58,150 | averages: | 55,920 | 56,880 | 58,140 | 58,140 | 58,630 | 
| Low (80%) Income Limits for a 1 Person Household | 44,750 | averages: | 43,620 | 44,790 | 44,740 | 44,740 | 45,380 | 
| Low (80%) Income Limits for a 2 Person Household | 51,150 | averages: | 49,860 | 51,180 | 51,140 | 51,140 | 51,880 | 
| Low (80%) Income Limits for a 3 Person Household | 57,550 | averages: | 56,090 | 57,590 | 57,540 | 57,540 | 58,380 | 
| Low (80%) Income Limits for a 4 Person Household | 63,900 | averages: | 62,280 | 63,950 | 63,900 | 63,900 | 64,810 | 
| Low (80%) Income Limits for a 5 Person Household | 69,050 | averages: | 67,300 | 69,100 | 69,060 | 69,060 | 70,030 | 
| Low (80%) Income Limits for a 6 Person Household | 74,150 | averages: | 72,270 | 74,210 | 74,140 | 74,140 | 75,210 | 
| Low (80%) Income Limits for a 7 Person Household | 79,250 | averages: | 77,240 | 79,320 | 79,260 | 79,260 | 80,400 | 
| Low (80%) Income Limits for a 8 Person Household | 84,350 | averages: | 82,220 | 84,420 | 84,340 | 84,340 | 85,560 | 
Severity | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Owner occupied households where cost burden can be determined | 287 | averages: | 2,757 | 494 | 647 | 647 | 4,492 | 
| Owner occupied households that are cost burdened | 108
± 41 | averages: | 1,044 | 151 | 332 | 332 | 1,484 | 
| Owner occupied households that are severely cost burdened | 68 | averages: | 485 | 61 | 161 | 161 | 587 | 
| % Owner occupied households that are cost burdened | 37.63 | averages: | 42.25 | 30 | 48.33 | 48.33 | 31 | 
| % Owner occupied households that are cost burdened, margin of error | 12.12 | averages: | 12 | 9.067 | 16.89 | 16.89 | 5 | 
| % Owner occupied households that are severely cost burdened | 23.69 | averages: | 19.71 | 12.78 | 24.17 | 24.17 | 12 | 
| % Owner occupied households that are severely cost burdened, margin of error | 11.33 | averages: | 9.881 | 6.43 | 14.54 | 14.54 | 4 | 
| Renter occupied households where cost burden can be determined | 27
± 20 | averages: | 676 | 77 | 154 | 154 | 2,545 | 
| Renter occupied households that are cost burdened | 10
± 16 | averages: | 329 | 40 | 77 | 77 | 1,280 | 
| Renter occupied households that are severely cost burdened | 5 | averages: | 163 | 20 | 53 | 53 | 657 | 
| % Renter occupied households that are cost burdened | 37.04 | averages: | 49.98 | 48 | 55.4 | 55.4 | 47 | 
| % Renter occupied households that are cost burdened, margin of error | 50.55 | averages: | 16.99 | 41 | 25.46 | 25.46 | 18 | 
| % Renter occupied households that are severely cost burdened | 18.52 | averages: | 20.01 | 24 | 24.8 | 24.8 | 23 | 
| % Renter occupied households that are severely cost burdened, margin of error | 21.94 | averages: | 36.32 | 47 | 52.26 | 52.26 | 18 | 
Household Type | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| % Elderly Family households that are cost burdened | 40 | averages: | 28.92 | 24 | 33.97 | 33.97 | 25 | 
| % Elderly Family households that are cost burdened, margin of error | 214.32 | averages: | 85 | 187 | 148 | 148 | 57 | 
| % Small Family households that are cost burdened | 36.1905 | averages: | 34.94 | 28 | 42.16 | 42.16 | 30 | 
| % Small Family households that are cost burdened, margin of error | 74.6852 | averages: | 95.71 | 99 | 143 | 143 | 28 | 
| % Large Family households that are cost burdened | 52.6316 | averages: | 37.47 | 31 | 33.63 | 33.63 | 31 | 
| % Large Family households that are cost burdened, margin of error | 219.977 | averages: | 182 | 461 | 287 | 287 | 129 | 
| % Elderly Non-Family households that are cost burdened | 40 | averages: | 47.77 | 46 | 45.47 | 45.47 | 48 | 
| % Elderly Non-Family households that are cost burdened, margin of error | 150.426 | averages: | 371 | 275 | 543 | 543 | 78 | 
| % Other householdss that are cost burdened | 53.3333 | averages: | 39.68 | 41 | 46.01 | 46.01 | 42 | 
| % Other householdss that are cost burdened, margin of error | 378.49 | averages: | 118 | 209 | 213 | 213 | 63 | 
Subsidized Housing Inventory (SHI) | Subsidized Units | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Number of subsidized housing Units | 3 | averages: | 206 | 11 | 58 | 58 | 703 | 
| % of Total Units that are subsidized housing | 0.72 | averages: | 6.586 | 1 | 6.49 | 6.49 | 5 | 
Affordability Gap | Income | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| % of single family homes sold since 2000 that were affordable to households with an incomes of $10,000. | 0 | averages: | 0.063 | 0.43 | 0.07286 | 0.07286 | 0.1816 | 
| % of single family homes sold since 2000 that were affordable to households with an incomes of $20,000. | 3.33 | averages: | 1.67 | 9.147 | 2.281 | 2.281 | 3 | 
| % of single family homes sold since 2000 that were affordable to households with an incomes of $30,000. | 3.33 | averages: | 3.09 | 18 | 3.124 | 3.124 | 6 | 
| % of single family homes sold since 2000 that were affordable to households with an incomes of $40,000. | 3.81 | averages: | 5.283 | 27 | 3.796 | 3.796 | 11 | 
| % of single family homes sold since 2000 that were affordable to households with an incomes of $50,000. | 3.81 | averages: | 9.439 | 40 | 5.406 | 5.406 | 19 | 
| % of single family homes sold since 2000 that were affordable to households with an incomes of $60,000. | 4.29 | averages: | 14.86 | 51 | 7.27 | 7.27 | 28 | 
| % of single family homes sold since 2000 that were affordable to households with an incomes of $70,000. | 6.19 | averages: | 21.25 | 60 | 10.17 | 10.17 | 37 | 
| % of single family homes sold since 2000 that were affordable to households with an incomes of $80,000. | 6.67 | averages: | 27.92 | 67 | 12.59 | 12.59 | 46 | 
| % of single family homes sold since 2000 that were affordable to households with an incomes of $90,000. | 7.62 | averages: | 34.94 | 72 | 16.33 | 16.33 | 55 | 
| % of single family homes sold since 2000 that were affordable to households with an incomes of $100,000. | 8.57 | averages: | 40 | 76 | 19.91 | 19.91 | 62 | 
| % of single family homes sold since 2000 that were affordable to households with an incomes of $120,000. | 10 | averages: | 50.88 | 80 | 28.74 | 28.74 | 73 | 
AMI | Chilmark |  | Nearest Ten
Municipalities | Rural Town
Community Type | Martha's Vineyard
Region | Dukes
County | MA
State | 
| Affordability Gap in Households with income < 30% of AMI | 46 | averages: | 468 | 29 | 122 | 122 | 559 | 
| Affordability Gap in Households with income < 30% of AMI, margin of error | 104.97 | averages: | 227 | 159 | 153 | 153 | 319 | 
| Affordability Gap in Households with income 50-80% AMI | 17 | averages: | 141 | -23 | 50 | 50 | -340 | 
| Affordability Gap in Households with income 50-80% AMI, margin of error | 140.46 | averages: | 182 | 130 | 128.5 | 128.5 | 263 | 
| Affordability Gap in Households with income > 80% of AMI | -70 | averages: | -616 | -10 | -177 | -177 | -220 | 
| Affordability Gap in Households with income > 80% of AMI, margin of error | 120.3 | averages: | 353 | 166 | 221 | 221 | 437 | 
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