Demographics & People — Watertown Town, Massachusetts
Population Overview
| Population (Census) | 35,270 |
| Estimated 2026 | 35,270 |
| Median Age | 38.8 |
| Total Households | 16,210 |
| Family Households | 8,605 |
| Average Household Size | 2.16 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 25,080 |
| Black or African American | 1,471 |
| Asian | 4,199 |
| Hispanic or Latino | 2,276 |
Heritage & Ancestry
| Group | Count |
| Other groups | 7,845 |
| Irish | 6,905 |
| Unclassified or not reported | 5,423 |
| Italian | 4,680 |
| German | 2,819 |
| English | 2,372 |
| Hispanic: Hispanic or Latino | 2,301 |
| Armenian | 1,903 |
| American | 1,120 |
| Polish | 1,030 |
Language
| English Only | 22,940 |
| Spanish | 1,632 |
| Population 5+ | 33,360 |
Veterans
| Veterans | 1,249 |
| Population 18+ | 29,997 |
Commuting
| Mean Commute Time | 29.9 minutes |
| Work from Home | 0% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Watertown Town, Massachusetts.