Community & Data
Demographics
A Portrait of Waltham
More than one in four Waltham residents was born outside the United States, and a third of households speak a language other than English at home. Two universities, Brandeis and Bentley, add thousands of students to a city of roughly 65,000 along the Charles River. Figures below come from the U.S. Census Bureau and the Secretary of the Commonwealth. Follow the source links for the latest.
Key Figures
65,218Population (2020)
$117kMedian household income
26.6%Foreign-born
48.8%Owner-occupied
Sources: US Census Bureau (data.census.gov).
Population & Households
- Population (2020 Census): 65,218
- ACS estimate: about 64,723
- Foreign-born: 26.6% of residents
- Owner-occupied homes: 48.8%
- Speak a language other than English at home: 33.5%
- Poverty rate: 8.6%
Race & Ethnicity
- White alone: 62.2%
- White, non-Hispanic: 58.1%
- Asian: 12.9%
- Hispanic or Latino (any race): 18.2%
- Black or African American: 7.5%
- Two or more races: 9.2%
Economy & Housing
- Median household income: $116,560
- Poverty rate: 8.6%
- Median home value: $705,700
- Median gross rent: $2,232
Registered Voters
Massachusetts publishes voter-registration counts by city through the Secretary of the Commonwealth. As of February 2025, far more Waltham voters were unenrolled than were registered with any party.
- Total registered: 37,965
- Unenrolled (no party): 24,511 (64.56%)
- Democrats: 10,853 (28.59%)
- Republicans: 2,328 (6.13%)
Sources
See how Waltham fits into the broader Commonwealth.