How much do homeowners pay a month in South Plainfield Borough, NJ?

Name: Homeowner costs in South Plainfield Borough, NJ, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Homeowners with a mortgage in South Plainfield Borough, NJ pay a median of $2,794 (±$59) a month in selected owner costs (2020–2024 American Community Survey).

Owners without a mortgage pay $1,124 (±$47).

68.3% of owned homes carry a mortgage.

In South Plainfield Borough, the median monthly cost with a mortgage went from $2,354 in 2015–2019 to $2,794 in 2020–2024 (+18.7%).

Prices (CPI-U) rose 22.7% over the same years, so it rose more slowly than prices: a measurable decrease after inflation.

Figures last updated on November 12, 2026.

With a mortgage: $2,794 (±$59)
Without a mortgage: $1,124 (±$47)
Owned with a mortgage: 68.3%

Monthly owner costs in South Plainfield Borough

Median selected monthly owner costs, estimate (90% margin of error)
	South Plainfield Borough	Middlesex County	New Jersey	United States
With a mortgage	$2,794 (±$59)	$2,877 (±$24)	$2,829 (±$8)	$1,963
Without a mortgage	$1,124 (±$47)	$1,242 (±$14)	$1,232 (±$6)	$638
Owned homes with a mortgage	68.3% (±3.1 points)	63.1% (±0.7 points)	63.9% (±0.2 points)	60.6%
Median real estate taxes (a year)	$8,596 (±$181)	$9,712 (±$68)	$9,590 (±$25)	$3,119

Selected monthly owner costs are the mortgage payment, property taxes, insurance, utilities, fuels and any condominium or mobile-home fees.

In South Plainfield Borough, the median cost with a mortgage is lower than in Middlesex County ($2,877).

It is not measurably different from New Jersey ($2,829).

It is higher than the national figure ($1,963).

In Middlesex County, South Plainfield Borough ranks 13 of 25 places with a published estimate, from highest to lowest median monthly cost with a mortgage.

Statewide, it ranks 279 of 560.

Rankings use the estimates alone; where margins of error overlap, neighboring ranks may not truly differ.

How owner costs in South Plainfield Borough have changed since 2015–2019

2015–2019 and 2020–2024 American Community Survey 5-year estimates
	2015–2019	2020–2024	Amount of change	Verdict
Median owner cost with a mortgage	$2,354 (±$48)	$2,794 (±$59)	+18.7%	Down after inflation
Median real estate taxes	$7,179 (±$134)	$8,596 (±$181)	+19.7%	No measurable change after inflation
Median home value	$340,200 (±$5,341)	$470,900 (±$9,099)	+38.4%	Up after inflation

The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.

Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.

The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.

Median monthly cost with a mortgage in places near South Plainfield Borough

Nearest places with a published estimate, compared with South Plainfield Borough
Place	Distance	Median monthly cost with a mortgage	Compared with this place
South Plainfield Borough	—	$2,794 (±$59)	—
Plainfield	2.8 mi	$2,689 (±$84)	Lower
Dunellen Borough	2.9 mi	$2,752 (±$179)	Not measurably different
Piscataway Township	3.1 mi	$2,811 (±$75)	Not measurably different
North Plainfield Borough	3.5 mi	$2,749 (±$104)	Not measurably different
Metuchen Borough	3.5 mi	$3,411 (±$147)	Higher
Green Brook Township	4.1 mi	$3,359 (±$532)	Higher
Middlesex Borough	4.4 mi	$2,795 (±$129)	Not measurably different
Scotch Plains Township	4.6 mi	$3,791 (±$193)	Higher

Nearby places with a measurably lower figure: Plainfield, NJ ($2,689).

Nearby places with a measurably higher figure: Metuchen Borough, NJ ($3,411), Green Brook Township, NJ ($3,359), Scotch Plains Township, NJ ($3,791).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Median monthly cost with a mortgage across Middlesex County, place by place

Rank	Place	Median monthly cost with a mortgage
7	Edison Township	$3,184 (±$52)
8	Monroe Township (Middlesex County)	$3,064 (±$176)
9	Milltown Borough	$2,875 (±$331)
10	North Brunswick Township	$2,865 (±$122)
11	Piscataway Township	$2,811 (±$75)
12	Middlesex Borough	$2,795 (±$129)
13	South Plainfield Borough	$2,794 (±$59)
14	Jamesburg Borough	$2,777 (±$98)
15	Woodbridge Township	$2,758 (±$66)
16	Dunellen Borough	$2,752 (±$179)
17	Spotswood Borough	$2,735 (±$107)
18	Old Bridge Township	$2,676 (±$95)
19	Sayreville Borough	$2,669 (±$94)

Showing 13 of 25 places in Middlesex County, ranked from highest to lowest.

Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.

Margins of error are at the 90% confidence level.

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Questions about South Plainfield Borough

What is the average mortgage payment in South Plainfield Borough?

The Census Bureau publishes total owner costs rather than the mortgage alone: the median for owners with a mortgage in South Plainfield Borough, NJ is $2,794 (±$59) a month, including taxes, insurance and utilities.

How much does it cost to own a paid-off home in South Plainfield Borough?

Owners without a mortgage in South Plainfield Borough pay a median of $1,124 (±$47) a month in taxes, insurance, utilities and fees.

Has the cost of owning a home in South Plainfield Borough gone up?

In South Plainfield Borough, the median monthly cost with a mortgage went from $2,354 in 2015–2019 to $2,794 in 2020–2024 (+18.7%).

Prices (CPI-U) rose 22.7% over the same years, so it rose more slowly than prices: a measurable decrease after inflation.

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) and detailed tables (acs/acs5) for South Plainfield borough, Middlesex County, New Jersey (county subdivision:69390, in state:34 county:023).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The 2015–2019 figures are B25088_002E, B25088_002M, B25103_001E, B25103_001M, B25077_001E, B25077_001M from the 2019 release.

The API needs a free key.

Request a Census API key.

DP04_0101E, DP04_0101M, DP04_0109E, DP04_0109M, DP04_0091PE, DP04_0091PM, B25103_001E, B25103_001M

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.