Community & Data
Southborough Demographics
A Portrait of Southborough
Southborough is a MetroWest town of about 10,450 people, spread across three villages: Cordaville, Fayville, and Southville. It skews young and comparatively well-off. About one resident in four is under 18, while roughly one in eight is 65 or over. Nearly nine in ten of its homes are owner-occupied, households average 2.8 people, and about one resident in five was born outside the United States, with almost a quarter of residents speaking a language other than English at home. 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), American Community Survey 5-year estimates 2020-2024.
Population & Households
- Population (2020 Census): 10,450
- Households: 3,777
- Persons per household: 2.8
- Foreign-born: 23.8% of residents
- Age 65 and over: 13.8%
- Under 18: 27.0%
Race & Ethnicity
- White: 72.4%
- Asian: 16.5%
- Black or African American: 1.4%
- Hispanic or Latino (any race): 3.7%
- Two or more races: 6.7%
- Speak a language other than English at home: 25.8%
Economy & Housing
- Median household income: $196,808
- Poverty rate: 3.7%
- Median home value: $821,100
- Median gross rent: $2,496
- Homeownership: 88.2% of units
- In the labor force: 72.6%
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 August 22, 2026. As in most of the state, Southborough’s largest bloc by far is voters who choose no party at all.
- Total registered: 7,653
- Unenrolled (no party): 5,266 (68.81%)
- Democrats: 1,595 (20.84%)
- Republicans: 748 (9.77%)
- Political designations: 44 (0.57%)
Sources
- U.S. Census Bureau, Southborough town data
- MA Secretary of the Commonwealth, Voter Registration
- MA DESE, Southborough
- Secretary of the Commonwealth, Massachusetts Elections Calendar: August 22, 2026 was the last day to register to vote and change party enrollment for the September 1, 2026 state primary (G. L. c. 51, sections 26 and 28), which is the date this enrollment count is as of.
See how Southborough fits into the broader Commonwealth.