Community & Data
Demographics
A Portrait of Grafton
Grafton holds 19,664 people across 22.8 square miles of land southeast of Worcester, which works out to about 862 residents per square mile. It is a young town by Massachusetts standards: more than one resident in five is under 18, and 14.7 percent are 65 or over. Roughly 73 percent of its homes are owner-occupied, households average 2.5 people, and about one resident in eight 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
Sources: US Census Bureau (data.census.gov).
Population & Households
- Population (2020 Census): 19,664
- Households: 7,700
- Persons per household: 2.5
- Foreign-born: 12.0% of residents
- Age 65 and over: 14.7%
- Under 18: 21.6%
Race & Ethnicity
- White: 76.3%
- Asian: 11.0%
- Black or African American: 1.7%
- Hispanic or Latino (any race): 4.6%
- Two or more races: 9.4%
- Speak a language other than English at home: 17.8%
Economy & Housing
- Median household income: $124,548
- Poverty rate: 6.4%
- Median home value: $481,500
- Median gross rent: $1,345
- Homeownership: 72.9% of units
- In the labor force: 70.7%
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, Grafton’s largest bloc by far is voters who choose no party at all. The Town Clerk keeps her own count for each election: 15,422 voters were registered by the May 1, 2026 deadline for that year’s annual town election.
- Total registered: 15,224
- Unenrolled (no party): 10,658 (70.01%)
- Democrats: 2,855 (18.75%)
- Republicans: 1,539 (10.11%)
Sources
See how Grafton fits into the broader Commonwealth.