Somerville, Massachusetts

Somerville population, 2020 to 2024

Somerville added 1,248 residents from July 2020 to July 2024, a change of +1.5%. In the latest year it moved by +909. Among 58 Massachusetts places of 5,000 or more, that growth ranks 26th; the median place changed by +1.2%. The median place of 5,000+ in Massachusetts has 44,052 people, so Somerville is 1.9 times that size.

Somerville covers 4.12 square miles of land and 0.10 of water, for 19,939 people per square mile of land. The median Massachusetts place of 5,000+ has 2,852, so Somerville is denser than the typical town.

What county Somerville is in

All of Somerville's residents live in Middlesex County, which had 1,668,956 residents in 2024. Somerville holds 4.9% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Somerville

3 ZIP Code Tabulation Areas (ZCTAs) overlap Somerville by at least 10% of the ZCTA's or the city's land: 02143, 02144, 02145. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Somerville is

The Census internal point of Somerville is at 42.390400, -71.101000. Boston, the capital, is 2.9 miles SE in a straight line. The nearest larger place is Cambridge, MA (121,186 people), 1.4 miles away.

Daylight in Somerville

At 42.39° N, Somerville gets about 15 h 17 min of daylight around the June solstice and 9 h 04 min around the December solstice, a swing of 6 h 13 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Somerville

The eight nearest incorporated places of 1,000+ in Massachusetts, measured between internal points. The closest is Cambridge, 1.3 miles away, with 121,186 people.