Somerville Population

1860–2026

3,650

2026 projection

6.4% since 2020 (increase)

01K2K3K4K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Somerville. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20263,650+280.77%
20253,622+782.20%
20243,544+180.51%
20233,526+1083.16%
20223,418-160.47%
20213,434+40.12%
20203,430+1695.18%
20193,261-140.43%
20183,275-310.94%
20173,306+1103.44%

Showing 10 of 32 years.

Somerville Demographics

38median age

Median age

Female38.2 yrs
Male37.7 yrs

Adults

2,544
667 seniors · 26%1,877 other adults

Sex

Female 54.1% · 1,876Male 45.9% · 1,590

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 35 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Somerville Income

$44,310median household income

Median household income

$44,310

Half of households earn more, half earn less

Median earnings

$41,444

Typical yearly pay for a worker 25 or older.

Poverty rate

25%

About 1 in 4 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Somerville Marital Status

46% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married46%49%43%
Never married31%36%27%
Divorced10%9%11%
Widowed10%6%13%
Separated4%<1%6%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201