South River, New Jersey Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of South River, New Jersey is 16,007 as of the 2023 American Community Survey, making it the 73rd-largest city in New Jersey. The median household income is $101,853, the median home value is $382,500, and the median age is 36.5.
The population has grown 2.1% since 2010 (16,051 → 16,392).
16,007
Population
5748
People / sq mi
$101,853
Median Income
$382,500
Median Home Value
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South River covers 2.8 sq mi of land at 5748 people per square mile.
About South River, NJ
South River stands apart on settlement density — it is among the most densely settled of US cities, at roughly 5,748 people per square mile. With 16,007 residents, South River is a city in New Jersey.
The typical household earns $101,853 a year, above the US median of $78,538. About 9.5% of residents live below the federal poverty level, below the national 12.4%. The typical home is valued at $382,500, with typical rent around $1,599.
Degree attainment is mid-range for US cities: 31.1% of adults hold a four-year degree, below the national 35.0%. Just 6.6% of workers are home-based, below the national 14.0%, and the average commute runs about 33 minutes each way.
That density explains much of the rest of the profile in South River: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
South River borough Population History (2010-2024)
The city of South River borough had a population of 16,051 in 2010 and 16,392 in 2024, a 2.1% growth over 14 years. The peak was 16,392 in 2024. Average annual growth rate: 0.15%.
16,392
Population (2024)
16,051
Population (2010)
16,392
Peak (2024)
0.15%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 16,051 |
| 2011 | 16,091 |
| 2012 | 16,128 |
| 2013 | 16,121 |
| 2014 | 16,145 |
| 2015 | 16,131 |
| 2016 | 16,057 |
| 2017 | 16,034 |
| 2018 | 15,948 |
| 2019 | 15,779 |
| 2020 | 16,050 |
| 2021 | 15,999 |
| 2022 | 16,012 |
| 2023 | 16,164 |
| 2024 | 16,392 |
Race & Ethnicity
| White | 58.1% |
| Black or African American | 11.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.7% |
| Two or More Races | 0.0% |
Economy & Income
$101,853
Median Household Income
$42,195
Per Capita Income
9.5%
Poverty Rate
6.3%
Unemployment Rate
Housing
$382,500
Median Home Value
$1,599
Median Rent
65.7%
Owner-Occupied
Education
86.4%
High School+
31.1%
Bachelor's+
Commute
1.9%
Drive Alone
72.4%
Public Transit
6.6%
Work From Home
32.9 min
Avg Commute
Community Profile
13.5%
Foreign Born
56.7%
Non-English at Home
3.9%
Veterans
10.2%
With Disability
92.8%
Health Insurance
95.3%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 25.5% |
| Finance, Insurance & Real Estate | 12.0% |
| Construction | 10.7% |
| Retail Trade | 7.9% |
| Manufacturing | 7.8% |
| Information | 6.7% |
| Arts, Entertainment & Food Services | 6.3% |
| Education, Health Care & Social Services | 6.2% |
| Public Administration | 3.5% |
| Transportation & Warehousing | 0.8% |
| Agriculture & Mining | 0.4% |
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Frequently Asked Questions
South River, New Jersey has a population of 16,007 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 73rd-largest city in New Jersey.
The median household income in South River, New Jersey is $101,853, with 9.5% of residents living below the federal poverty level.
The median home value in South River, New Jersey is $382,500, with median monthly rent at $1,599 and a homeownership rate of 65.7%.
The median age in South River, New Jersey is 36.5 years. The population is 49.0% male and 51.0% female.
The population has grown 2.1% since 2010 (16,051 → 16,392).
Where to stay in South River
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.