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Somerville city, Massachusetts

Official LSAD Designation: Somerville city • Census GEOID: 2562535 • Middlesex County

Demographics & Population Profile

Population and demographics for Somerville city.

Demographic Variable Estimate / Count Margin of Error Period Source
Total Population (2025 PEP Estimate) 84,211 — 2025 Census
Median Age 31.9 yrs ±0.6 2020-2024 Census ACS 5-Year 2024
Total Households 35,715 ±869 2020-2024 Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).