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Demographics

A Portrait of Chilmark

Chilmark is an up-island town on Martha’s Vineyard, about 19 square miles of land running from the north shore down to the great ponds along the south, and it is an older town than most in the Commonwealth: about three residents in ten are 65 or over. Nearly nine in ten of its homes are owner-occupied, and about one resident in ten was born outside the United States. Figures below are from the U.S. Census Bureau and the Secretary of the Commonwealth. Follow the source links for the latest.

Key Figures

1,212Population (2020)
556Households
$166kMedian household income
31.5%Age 65 and over

Sources: US Census Bureau (data.census.gov).

Population & Households

  • Population (2020 Census): 1,212
  • Households: 556
  • Under 5: 2.3%
  • Foreign-born: 10.4% of residents
  • Age 65 and over: 31.5%
  • Under 18: 16.5%

Race & Ethnicity

  • White: 92.2%
  • Asian: 2.6%
  • Black or African American: 1.5%
  • Hispanic or Latino (any race): 0.0%
  • Two or more races: 2.8%
  • Speak a language other than English at home: 9.0%

Economy & Housing

  • Median household income: $166,250
  • Poverty rate: 6.1%
  • Median home value: $1,788,900
  • Median gross rent: $1,939
  • Homeownership: 88.5% of units
  • In the labor force: 64.3%

Registered Voters

Massachusetts publishes voter-registration counts by town through the Secretary of the Commonwealth; the counts below are the state’s enrollment snapshot from February 1, 2025. As in most of the state, Chilmark’s largest bloc by far is voters who choose no party at all.

  • Total registered: 1,195
  • Unenrolled (no party): 645 (53.97%)
  • Democrats: 504 (42.18%)
  • Republicans: 41 (3.43%)

See how Chilmark fits into the broader Commonwealth.

Massachusetts Demographics