Demographics of Somerville borough, New Jersey

Somerville borough, New Jersey had 14,665 people on July 1, 2025, by the Census Bureau’s estimate: +2,308 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Somerville borough, in four figures

14,665
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 13,410 ±30.; +18.7%
Change since July 2020: +2,308 people.; 35.9 ±1.3
Median age: ACS 2020–⁠2024.; $103,760 ±$9,316
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Somerville borough, New Jersey's population grew 18.7% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Somerville borough, New Jersey's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Somerville borough, New Jersey's population grew 18.7% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Somerville borough, New Jersey's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	12,357	100.0	100.0
2021	12,594	101.9	100.2
2022	13,398	108.4	100.7
2023	14,210	115.0	101.6
2024	14,343	116.1	102.5
2025	14,665	118.7	103.1

Population of Somerville borough, New Jersey on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	12,357	—
2021	12,594	+237
2022	13,398	+804
2023	14,210	+812
2024	14,343	+133
2025	14,665	+322

Age, 2020–2024

The median age is 35.9 ±1.3: for men 36.5 ±1.4 and for women 35.0 ±1.7. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Somerville borough by age, ACS 2020–2024
Age	People	Share	New Jersey	United States
Under 5	670 ±199	5.0% ±1.5	5.6% ±<0.1	5.6% ±<0.1
5 to 17	1,483 ±367	11.1% ±2.7	16.2% ±0.1	16.3% ±<0.1
18 to 24	1,174 ±280	8.8% ±2.1	8.4% ±0.1	9.1% ±<0.1
25 to 44	5,243 ±515	39.1% ±3.8	26.2% ±0.1	26.9% ±<0.1
45 to 64	2,893 ±352	21.6% ±2.6	26.5% ±0.1	24.8% ±<0.1
65 and over	1,947 ±353	14.5% ±2.6	17.2% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $103,760 ±$9,316, and income per person $56,587 ±$3,865, in 2024 dollars. The median is $103,556 ±$513 in New Jersey and $80,734 ±$166 in the United States.

Households by income

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Households in Somerville borough by income, ACS 2020–2024
Household income	Households	Share	New Jersey	United States
Under $25,000	461 ±159	7.7% ±2.6	11.6% ±0.2	14.6% ±<0.1
$25,000 to $49,999	609 ±194	10.2% ±3.2	12.8% ±0.2	16.7% ±<0.1
$50,000 to $74,999	661 ±156	11.1% ±2.5	12.8% ±0.2	15.5% ±<0.1
$75,000 to $99,999	1,110 ±277	18.6% ±4.5	11.3% ±0.2	12.6% ±<0.1
$100,000 to $149,999	1,348 ±299	22.5% ±4.9	18.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	889 ±186	14.9% ±3.0	11.8% ±0.2	9.6% ±<0.1
$200,000 or more	902 ±193	15.1% ±3.1	21.6% ±0.2	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Somerville borough by age, ACS 2020–2024
Age	Below poverty	Rate	New Jersey	United States
All ages	779 ±216	5.9% ±1.6	9.7% ±0.2	12.5% ±0.1
Under 18	0 to 98	0% to 4.5%	13.0% ±0.3	16.1% ±0.1
18 to 59	424 ±169	5.1% ±2.0	8.6% ±0.2	11.6% ±0.1
60 and over	309 ±140	10.9% ±4.5	9.3% ±0.2	11.0% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Housing, 2020–2024

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Housing in Somerville borough, ACS 2020–2024
Measure	Somerville borough	New Jersey	United States
Housing units	6,131 ±303	3,791,354 ±469	143,775,355 ±10,234
Occupied	97.5% ±1.3	92.5% ±0.1	89.9% ±0.1
Vacant	1.0% to 3.9%	7.5% ±0.1	10.1% ±0.1
Owner occupied	43.0% ±3.8	63.8% ±0.3	65.2% ±0.3
Renter occupied	57.0% ±5.1	36.2% ±0.2	34.8% ±0.1
Median home value	$435,700 ±$20,614	$454,400 ±$1,150	$332,700 ±$236
Median gross rent	$1,802 ±$49	$1,720 ±$7	$1,413 ±$2
Median year built	1960 ±3	1970 ±1	1980 ±1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Somerville borough by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	New Jersey	United States
Hispanic or Latino	2,835 ±402	21.1% ±3.0	22.5% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	6,950 ±692	51.8% ±5.2	50.9% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	1,517 ±706	11.3% ±5.3	12.2% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	1,449 ±365	10.8% ±2.7	10.0% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 22	0% to 0.2%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 22	0% to 0.2%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	10 to 144	0.1% to 1.1%	0.8% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	582 ±221	4.3% ±1.6	3.5% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Somerville borough by place of birth and citizenship, ACS 2020–2024
Born	People	Share	New Jersey	United States
Born in the state	7,701 ±485	57.4% ±3.6	50.8% ±0.2	57.3% ±<0.1
Born in another state	2,069 ±338	15.4% ±2.5	22.7% ±0.1	26.9% ±<0.1
Born a citizen outside the states	150 to 708	1.1% to 5.3%	2.6% ±<0.1	1.7% ±<0.1
Born abroad	3,211 ±451	23.9% ±3.4	23.9% ±0.2	14.1% ±<0.1
Naturalized citizens	1,848 ±393	13.8% ±2.9	13.5% ±0.1	7.4% ±<0.1
Not citizens	1,363 ±316	10.2% ±2.4	10.5% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Somerville borough among the places of New Jersey

100th of 295 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the New Jersey page.

Places of New Jersey near Somerville borough in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Roselle Park borough	14,093 ±53
New Providence borough	13,727 ±32
Eatontown borough	13,575 ±37
Florham Park borough	13,564 ±42
Mercerville CDP	13,535 ±1,211
Somerville borough	13,410 ±30
Woodland Park borough	13,355 ±22
Echelon CDP	13,284 ±1,108
Ridgefield Park village	13,235 ±28
Franklin Park CDP	13,211 ±1,215
Holiday City-Berkeley CDP	12,995 ±927

Rankings this appears in

No. 57 Places in New Jersey by Hispanic or Latino share
No. 57 Places in New Jersey by poverty rate
No. 70 Places in New Jersey by foreign-born share
No. 78 Places in New Jersey by median rent
No. 81 Places in New Jersey by per capita income
No. 91 Places in New Jersey by median household income

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026