Perth Amboy vs South Plainfield

A side-by-side comparison of Perth Amboy and South Plainfield: population, income, housing, and more.

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

Perth Amboy has the higher population (55,278 vs 24,231 in South Plainfield). South Plainfield has the higher median household income ($126,063 vs $58,490 in Perth Amboy). South Plainfield has the higher median home value ($443,900 vs $339,200 in Perth Amboy).

Population, income & housing

	Perth Amboy	South Plainfield
Population	55,278	24,231
Median age	36.3 yrs	41.7 yrs
Median household income	$58,490	$126,063
Median home value	$339,200	$443,900
Median gross rent	$1,629	$1,928
Housing units	19,684	8,443
Homeownership rate	33.4%	85.2%
Bachelor's degree or higher	15.2%	42.0%
Unemployment rate	12.8%	7.2%

Trends (ACS 5-year, 2019–2023)

	Perth Amboy	South Plainfield
Population	51,678 → 55,278 (+7.0%)	23,956 → 24,231 (+1.1%)
Median household income	$52,563 → $58,490 (+11.3%)	$101,565 → $126,063 (+24.1%)
Median home value	$261,800 → $339,200 (+29.6%)	$340,200 → $443,900 (+30.5%)
Median gross rent	$1,340 → $1,629 (+21.6%)	$1,702 → $1,928 (+13.3%)

Perth Amboy

Population

51,67855,278

Median household income

$52,563$58,490

Median home value

$261,800$339,200

Median gross rent

$1,340$1,629

South Plainfield

Population

23,95624,231

Median household income

$101,565$126,063

Median home value

$340,200$443,900

Median gross rent

$1,702$1,928

Age & race/ethnicity

Age distribution (share)

	Perth Amboy	South Plainfield
Under 5	7.0%	6.8%
5 to 17	17.2%	14.0%
18 to 24	10.0%	6.8%
25 to 34	13.8%	13.4%
35 to 44	14.2%	13.9%
45 to 54	14.0%	13.2%
55 to 64	11.4%	13.9%
65 to 74	7.5%	11.0%
75 and over	4.8%	7.0%

Race & ethnicity (share)

	Perth Amboy	South Plainfield
White (non-Hispanic)	11.4%	50.6%
Black or African American	5.5%	10.7%
American Indian & Alaska Native	0.0%	0.1%
Asian	1.3%	16.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.4%	0.9%
Two or more races	0.6%	3.1%
Hispanic or Latino	80.8%	18.6%

Educational attainment (age 25+)

Share of adults 25+

	Perth Amboy	South Plainfield
No high school diploma	31.7%	7.5%
High school graduate	30.1%	25.3%
Some college or associate's	23.1%	25.2%
Bachelor's degree	10.6%	24.7%
Graduate or professional degree	4.6%	17.3%

Commute to work

How workers get to work (share)

	Perth Amboy	South Plainfield
Drove alone	59.1%	75.6%
Carpooled	13.7%	8.0%
Public transit	3.8%	2.1%
Walked	7.2%	1.3%
Bicycle	0.1%	0.0%
Worked from home	4.0%	12.3%
Other means	12.0%	0.8%

Housing

Units in structure (share)

	Perth Amboy	South Plainfield
1-unit, detached	30.1%	78.7%
1-unit, attached	8.3%	4.6%
2 to 4 units	33.9%	6.1%
5 to 19 units	14.8%	5.2%
20 or more units	12.5%	5.3%
Mobile home & other	0.4%	0.0%

Poverty & households

	Perth Amboy	South Plainfield
Poverty rate	20.0%	3.6%
Average household size	2.88	2.89
Mean commute (minutes)	25	28
Median year structure built	1957	1962