Tool
Compare places
Put up to four U.S. cities, towns or census-designated places side by side on 29 figures: 22 measures from the ACS 2020-2024 5-year estimates, each with its margin, and their 2025 population estimate, growth, density, new homes and housing costs against income. A filled square marks a figure that differs from the first place by more than both margins of error allow; without it, the survey cannot tell the two apart.
How do South Plainfield, NJ compare?
| Figure | South Plainfield, NJ |
|---|---|
| Residents, July 2025 (estimate) | 24,891 |
| Change since April 2020 | +2.3% |
| Residents counted in the 2020 Census | 24,338 |
| Residents per square mile (2020) | 2,934 |
| Homes permitted in 2025 per 1,000 residents | – |
| Median home value ÷ median household income | 3.6 years of income |
| A year of median rent ÷ median income of all households (renters usually earn less) | 19.4% |
| Measure | South Plainfield, NJ |
|---|---|
| Total population | 24,473±44 |
| Median age | 41.7±1.3 |
| Hispanic or Latino (any race) | 17.0%±2.2 pts |
| White alone, not Hispanic | 47.9%±3.4 pts |
| Black or African American alone, not Hispanic | 9.7%±2.7 pts |
| Asian alone, not Hispanic | 21.3%±3.5 pts |
| Born outside the United States | 23.9%±2.3 pts |
| Bachelor's degree or higher (age 25+) | 44.0%±3.2 pts |
| Median household income | $130,239±$8,213 |
| Per capita income | $51,315±$2,256 |
| People below the poverty line | 3.0%±1.0 pts |
| Unemployment rate | 5.6%±1.7 pts |
| Median home value (owner-occupied) | $470,900±$9,099 |
| Median gross rent | $2,107±$144 |
| Renters paying 35% or more of income on rent | 34.7%±8.8 pts |
| Owner-occupied homes | 85.9%±2.3 pts |
| Built 2020 or later | 1.4%±1.1 pts |
| Worked from home | 16.4%±2.9 pts |
| Drove alone to work | 72.0%±3.5 pts |
| Public transportation | 2.1%±0.9 pts |
| Mean travel time to work | 29.7 min±1.4 |
| No health insurance coverage | 3.2%±1.2 pts |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census Bureau population estimates, Vintage 2025; 2020 Census; Building Permits Survey 2025 · Check it at data.census.gov