South Plainfield, NJ vs Iselin, NJ

Side-by-side comparison from the latest government data.

MetricSouth Plainfield, NJIselin, NJ
Population24,47319,551
Median Household Income$130,239$109,500
Median Rent$2,107/mo$2,113/mo
Median Home Value$470,900$426,800
Cost of Living (US = 100)113113
Renters Paying 30%+ of Income46.8%46.4%
Poverty Rate3%7.9%
Unemployment Rate5%5.2% (county)
Violent Crime Rate /100k135139*
Property Crime Rate /100k2,0211,166*
Median AQI3636
Good AQI Days /yr295295
Summer Highs86°F86°F
Winter Lows26°F26°F
Snowfall21 in/yr21 in/yr
Avg Commute29.7 min34.5 min
Hospitals——
Avg Hospital Rating——
Students per Teacher10.812.8
College Degree Rate44%53.7%
Foreign-Born %23.9%50.4%
Population Growth (2020–2025)+2.3%+5.4%

Green = clearly better (more than 5% apart). Population, growth, weather, hospital count and foreign-born share aren’t scored.
* Rate of the agency that polices Iselin (the city has no police department of its own), so it isn’t scored.