South Plainfield, NJ: key statistics
Population: 24,891 (2025). Unemployment rate: 4.4% (August 2026). Median household income: $130,239 (2024).
South Plainfield, NJ in figures
Population and demography
Labor market
| Mean travel time to work | 29.7 minutes | 2024 | |
| Unemployment rate | 4.4% | August 2026 | |
| Civilian labor force | 13,292 | 2025 | |
| Employed residents | 12,633 | 2025 | |
| Unemployed people | 659 | 2025 | |
| Unemployment rate (US five-year survey estimate) | 5.6% | 2024 | |
| Labor force participation rate (US five-year survey estimate) | 67.4% | 2024 |
Health
Income and living conditions
| Gini index | 34.3 | 2024 | |
| Median household income | $130,239 | 2024 | |
| Per capita income (US five-year survey estimate) | $51,315 | 2024 | |
| Poverty rate (US five-year survey estimate) | 3% | 2024 |
Housing
| Housing units authorized by building permits | 75 | 2025 | |
| Homeownership rate (US, housing units) | 85.9% | 2024 | |
| Median home value | $470,900 | 2024 | |
| Median gross rent (monthly) | $2,107 | 2024 | |
| Single-family housing units authorized by building permits | 26 | 2025 | |
| Housing units | 8,530 | 2024 | |
| Households | 8,351 | 2024 | |
| Housing vacancy rate, all vacant units (US) | 2.1% | 2024 | |
| Rent-burdened renter households (rent 30 percent or more of income) | 50% | 2024 | |
| Average household size | 2.9 persons per household | 2024 |
Use this data in your AI agent
Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:
Give me the latest population, unemployment and income figures for South Plainfield, NJ with sources.
search_indicators {"query":"population","geography":"South Plainfield, NJ"}
GET https://invokely.ai/api/v1/value?indicator=population&place=us-place-3469390