Somerville, NJ Demographics

A map of Somerville's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	6,950	6,073	51.8%	49.2%
Hispanic	2,835	3,113	21.1%	25.2%
Black	1,517	1,201	11.3%	9.7%
Asian	1,449	1,433	10.8%	11.6%
Multiracial	582	428	4.3%	3.5%
Native American/Other	77	98	0.6%	0.8%

Somerville, New Jersey has an estimated population of 13,410, an increase from the 12,346 recorded in the 2020 Census. The population is 51.8% White, 21.1% Hispanic, 11.3% Black, 10.8% Asian, 4.3% Multiracial, and 0.6% Native American/Other. This demographic dot map shows the population of Somerville, with one dot drawn for each person counted by the Census, color-coded by race.

Somerville has become less racially diverse since the 2020 Census. It is about as diverse as New Jersey overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Somerville, that probability was 67.0% in 2020 and 66.0% in the most recent ACS estimates.

Somerville is ranked the 100th most populous place in New Jersey, out of 700 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Somerville was ranked the 111th most populous place in the 2020 Census.

Somerville's White Population

6,950 residents of Somerville, or 51.8% of the population, identify as White. The share of White residents in Somerville is comparable to the share in New Jersey overall, where 50.9% of the population is White. Somerville ranks 567th statewide in terms of White residents as a share of the population, out of 700 places.

Since the 2020 Census, Somerville's White population has grown by an estimated 14.4%. White residents' share of Somerville's population has increased from 49.2% to 51.8%.

Somerville is more White than neighboring Raritan (47% White), and Finderne (38.5% White). Somerville is less White than neighboring Manville (60.4% White), Green Knoll (63.6% White), and Martinsville (65.6% White).

Somerville's Black Population

1,517 residents of Somerville, or 11.3% of the population, identify as Black. The share of Black residents in Somerville is comparable to the share in New Jersey overall, where 12.2% of the population is Black. Somerville ranks 125th statewide in terms of Black residents as a share of the population, out of 700 places.

Since the 2020 Census, Somerville's Black population has grown by an estimated 26.3%. Black residents' share of Somerville's population has increased from 9.7% to 11.3%.

Somerville is more Black than neighboring Manville (1.5% Black), Raritan (4% Black), Green Knoll (4.9% Black), Finderne (7.8% Black), and Martinsville (1% Black).

Somerville's Asian Population

1,449 residents of Somerville, or 10.8% of the population, identify as Asian. The share of Asian residents in Somerville is comparable to the share in New Jersey overall, where 10% of the population is Asian. Somerville ranks 122nd statewide in terms of Asian residents as a share of the population, out of 700 places.

Since the 2020 Census, Somerville's Asian population has grown by an estimated 1.1%. Asian residents' share of Somerville's population has decreased from 11.6% to 10.8%.

Somerville is more Asian than neighboring Manville (2.8% Asian). Somerville is less Asian than neighboring Raritan (21.7% Asian), Green Knoll (21.7% Asian), Finderne (18.6% Asian), and Martinsville (16.8% Asian).

Somerville's Hispanic Population

2,835 residents of Somerville, or 21.1% of the population, identify as Hispanic. The share of Hispanic residents in Somerville is comparable to the share in New Jersey overall, where 22.5% of the population is Hispanic. Somerville ranks 91st statewide in terms of Hispanic residents as a share of the population, out of 700 places.

Since the 2020 Census, Somerville's Hispanic population has declined by an estimated 8.9%. Hispanic residents' share of Somerville's population has decreased from 25.2% to 21.1%.

Somerville is more Hispanic than neighboring Green Knoll (6.2% Hispanic), and Martinsville (8% Hispanic). Somerville is less Hispanic than neighboring Manville (30.5% Hispanic), Raritan (21.7% Hispanic), and Finderne (30.7% Hispanic).

Somerville's Native American/Other Population

77 residents of Somerville, or 0.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Somerville is comparable to the share in New Jersey overall, where 0.9% of the population is Native American/Other. Somerville ranks 194th statewide in terms of Native American/Other residents as a share of the population, out of 700 places.

Since the 2020 Census, Somerville's Native American/Other population has declined by an estimated 21.4%. Native American/Other residents' share of Somerville's population has remained roughly unchanged at 0.6%.

Somerville is more Native American/Other than neighboring Raritan (0.3% Native American/Other), and Finderne (0% Native American/Other). Somerville is less Native American/Other than neighboring Manville (1.2% Native American/Other), Green Knoll (1.3% Native American/Other), and Martinsville (1.2% Native American/Other).

Somerville's Multiracial Population

582 residents of Somerville, or 4.3% of the population, identify as Multiracial. The share of Multiracial residents in Somerville is comparable to the share in New Jersey overall, where 3.5% of the population is Multiracial. Somerville ranks 278th statewide in terms of Multiracial residents as a share of the population, out of 700 places.

Since the 2020 Census, Somerville's Multiracial population has grown by an estimated 36.0%. Multiracial residents' share of Somerville's population has increased from 3.5% to 4.3%.

Somerville is more Multiracial than neighboring Manville (3.6% Multiracial), and Green Knoll (2.4% Multiracial). Somerville is less Multiracial than neighboring Raritan (5.4% Multiracial), Finderne (4.4% Multiracial), and Martinsville (7.4% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.