New Jersey / Census place 3469420

South River

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: South River borough

At a glance

A city in numbers.

Population
16,262
2025 estimate
Annual change
+0.1%
Population estimate
Density
5,839/sq mi
2.8 sq mi land area
Median age
37 years
ACS 5-year estimate

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income
$96,147
Median home value
$405,200
Median gross rent
$1,675
Bachelor’s degree or higher
27.9%
Typical commute
32.2 min
Public transit commute
3%

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: SOMERSET AP (20 mi from place center)
Average high
63.6°F
Average low
41.4°F
Annual rainfall
45.5"
Annual snowfall
0"

Month by month

A year in South River.

Typical high and low °F
JFMAMJJASOND
Typical precipitation inches
J
F
M
A
M
J
J
A
S
O
N
D

Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release.

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

VA

Manassas Park, VA

Population, housing, work, and travel data for this Census place.

Population
16,560
Median home
$395,900
NJ

Somerville, NJ

Population, housing, work, and travel data for this Census place.

Population
14,665
Median home
$435,700
OR

Cornelius, OR

Population, housing, work, and travel data for this Census place.

Population
15,520
Median home
$452,900

Keep exploring

Compare South River with Manassas Park