Skip to content

Checked

South Plainfield, NJ

Borough in Middlesex County, New Jersey. ZIP codes: 07080.

Population

24,473

Land area

8.3sq mi

People per sq mi

2,950

ZIP codes

1

South Plainfield and its ZIP codes

South Plainfield at a glance

  • South Plainfield is about 2.3 times as dense as New Jersey as a whole.
  • By population, it ranks 43rd among 700 cities and towns in New Jersey.
  • The median household income is $130,239, 26% above the New Jersey median of $103,556.
  • A typical owner-occupied home is valued at $470,900 (4% above New Jersey) and median rent is $2,107 a month.

Local data for South Plainfield, NJ

Counts from official public data

Housing and community stats

South Plainfield, NJ, American Community Survey 2020-2024

Full profile

Median household income

$130,239

Poverty rate

3.0%

Median home value

$470,900

Median rent

$2,107/mo

Homeownership

85.9%

Bachelor's or higher

44.0%

Median age

41.7

Average commute

29.7 min

Largest reported origins and ancestries: Italian Americans (4,406), Irish Americans (2,790), Indian Americans (2,707).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Middlesex County. PPP loans are for South Plainfield.

Details

Unemployment rate

4.8%

Aug 2026, -1.1 pts in a year

Average annual pay

$85,564

431,665 jobs, 2025

Income per person

$77,293

BEA, 2024

Federal spending

$5.04B

FY 2026, $5,838 per person

PPP loans

$222M

1,180 loans, 19,241 jobs reported

Middlesex County economyFederal spendingPPP loans

How people get to work

South Plainfield, NJ, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone72.0%
  • Carpooled7.9%
  • Public transit2.1%
  • Walked1.0%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other0.7%
  • Worked from home16.4%

Average one-way commute: 29.7 minutes for people who do not work from home.

Environment and hazard risk

South Plainfield, NJ, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively High

Top: strong wind

Storm events since 1996

1,228

Countywide, mostly thunderstorm wind

Flood insurance policies

2,496

1.2% of homes, county

July high / Jan low

88° / 24°F

48.7 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in South Plainfield, NJ, CDC PLACES estimates

All 40 measures

Obesity

30.0%

U.S. 33.3% -3.3 pts

Diabetes

10.5%

U.S. 12.1% -1.6 pts

Smoking

9.8%

U.S. 12.8% -3.0 pts

Uninsured (18-64)

9.3%

U.S. 11.1% -1.8 pts

ZIP codes in South Plainfield

1 in or overlapping South Plainfield. Population shown

·

Cities near South Plainfield

Frequently asked questions

What county is South Plainfield, NJ in?
South Plainfield is in Middlesex County, New Jersey.
What ZIP codes are in South Plainfield, NJ?
ZIP codes in or overlapping South Plainfield include 07080.
What is the population of South Plainfield, NJ?
About 24,473 people live in South Plainfield, based on American Community Survey 5-year estimates.
What cities are near South Plainfield?
Nearby places include Dunellen (3 mi), Plainfield (3.2 mi), Metuchen (3.4 mi), North Plainfield (3.6 mi), Rutgers University-Livingston Campus (3.9 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023