Colonia vs South River

A side-by-side comparison of Colonia and South River: population, income, housing, and more.

Colonia and South River are places in New Jersey. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Colonia has the higher population (18,294 vs 16,007 in South River). Colonia has the higher median household income ($134,301 vs $101,853 in South River). Colonia has the higher median home value ($473,200 vs $382,500 in South River).

Population, income & housing

	Colonia	South River
Population	18,294	16,007
Median age	43.3 yrs	36.5 yrs
Median household income	$134,301	$101,853
Median home value	$473,200	$382,500
Median gross rent	$1,964	$1,599
Housing units	6,243	5,789
Homeownership rate	88.2%	65.7%
Bachelor's degree or higher	46.5%	31.1%
Unemployment rate	4.3%	8.9%

Trends (ACS 5-year, 2019–2023)

	Colonia	South River
Population	17,801 → 18,294 (+2.8%)	16,001 → 16,007 (+0.0%)
Median household income	$112,590 → $134,301 (+19.3%)	$78,162 → $101,853 (+30.3%)
Median home value	$363,900 → $473,200 (+30.0%)	$299,600 → $382,500 (+27.7%)
Median gross rent	$1,637 → $1,964 (+20.0%)	$1,288 → $1,599 (+24.1%)

Colonia

Population

17,80118,294

Median household income

$112,590$134,301

Median home value

$363,900$473,200

Median gross rent

$1,637$1,964

South River

Population

16,00116,007

Median household income

$78,162$101,853

Median home value

$299,600$382,500

Median gross rent

$1,288$1,599

Age & race/ethnicity

Age distribution (share)

	Colonia	South River
Under 5	4.1%	7.5%
5 to 17	17.0%	18.3%
18 to 24	5.9%	6.0%
25 to 34	10.5%	15.2%
35 to 44	14.6%	14.8%
45 to 54	13.7%	11.1%
55 to 64	15.0%	13.5%
65 to 74	11.9%	6.7%
75 and over	7.4%	6.9%

Race & ethnicity (share)

	Colonia	South River
White (non-Hispanic)	59.9%	53.4%
Black or African American	4.4%	10.4%
American Indian & Alaska Native	0.0%	0.0%
Asian	14.2%	4.1%
Native Hawaiian & Pacific Islander	0.0%	0.2%
Some other race	1.8%	2.3%
Two or more races	3.0%	2.9%
Hispanic or Latino	16.6%	26.7%

Educational attainment (age 25+)

Share of adults 25+

	Colonia	South River
No high school diploma	8.3%	13.6%
High school graduate	23.1%	31.8%
Some college or associate's	22.1%	23.4%
Bachelor's degree	30.0%	19.7%
Graduate or professional degree	16.5%	11.5%

Commute to work

How workers get to work (share)

	Colonia	South River
Drove alone	75.7%	72.4%
Carpooled	5.9%	10.9%
Public transit	2.6%	1.9%
Walked	0.7%	1.9%
Bicycle	0.0%	0.0%
Worked from home	13.8%	6.6%
Other means	1.3%	6.3%

Housing

Units in structure (share)

	Colonia	South River
1-unit, detached	89.3%	75.5%
1-unit, attached	1.4%	1.5%
2 to 4 units	3.9%	10.1%
5 to 19 units	1.7%	8.8%
20 or more units	3.5%	4.2%
Mobile home & other	0.3%	0.0%

Poverty & households

	Colonia	South River
Poverty rate	5.9%	11.3%
Average household size	2.95	2.87
Mean commute (minutes)	33	33
Median year structure built	1959	1958