City safety & data profile
PlainfieldNJ
Plainfield, NJ is a 51K-resident city in Union County with a median household income of $85,908.
Union County, New Jersey. Federal health, economic, and safety indicators for Plainfield, drawn from the U.S. Census Bureau American Community Survey, CDC PLACES, and CMS Hospital Compare. Plainfield has a population larger than 80% of the 4,640 U.S. cities Areazine tracks, and a median home value of $410,800.
Data updated 2026-07-19
- 51K
- Population
- Top 20%
- By size
- $85,908
- Median income
- $410,800
- Median home
- 15.5%
- Poverty rate
The read on Plainfield
Plainfield posts a median household income higher than 56% of U.S. cities Areazine tracks.
- Top 44%
- by median income, US cities
Where Plainfield income ranks nationally
Median household income vs. every place Areazine profiles (place-level ACS)
$85,908 Top 44% higher than 56% of 3,889 places Areazine profiles
Each bar is a $20K-wide band; taller bars hold more places Areazine profiles. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, American Community Survey (place-level) · 2024 ACS 5-year
The quick read
Reading Plainfield, NJ beyond the headline numbers
Plainfield sits inside Union County, New Jersey, at roughly 40.63°N, -74.41°W. Population 51,217, $85,908 median household income. Median home value $410,800, median rent $1,767. Poverty rate 15.5%, read against that income figure since two cities on the same median can differ underneath it.
CDC PLACES: Plainfield's highest-prevalence health measure is short sleep duration at 45.6%, then high blood pressure at 36.3%.
Sources: U.S. Census ACS, CDC PLACES, CMS Hospital Compare, plus live alerts for Plainfield from FEMA, NOAA, FDA, and CPSC. Comparison bars benchmark each metric against the national reference.
10-Year Trends 2013–2024
County-level trend (Union County) - Plainfield's own historical series isn't separately published by the Census Bureau, so these year-over-year figures track the surrounding county, not the city alone.
Economics
| Indicator | Value |
|---|---|
| Median Rent | |
| Poverty Rate | 15.5% +9% vs avg |
| Unemployment | 8.9% |
| Bachelor's Degree+ | 22% |
| Work From Home | 6.8% |
| Public Transit | 5.2% |
Population
Health Profile 15 measures
Health Indicators
Preventive Care
Other Measures
Frequently Asked Questions 5
What is the population of Plainfield, NJ? ▼
What is the median household income in Plainfield? ▼
What is the median home value in Plainfield? ▼
What are the top health concerns in Plainfield? ▼
What is the median age in Plainfield? ▼
Safety Context
Plainfield, NJ is located in Union County, New Jersey. With a population of 51K and a $85,908 median household income, the community faces health challenges including short sleep duration and high blood pressure. Safety alerts for the Plainfield area are monitored from federal and state agencies including FEMA, NOAA, FDA, and CPSC.
Safety Guides
Primary source data
EPA Outdoor Air Quality Data
Federal monitoring network, every measurement we report
AirNow - New Jersey
Real-time AQI for every monitored New Jersey location
National Weather Service
NOAA active watches, warnings, advisories
CDC Air Quality & Health
Health-impact reference for every AQI category
EPA NAAQS standards
National Ambient Air Quality Standards, the regulatory thresholds
Nearby Cities 8
Using Plainfield's profile
Use this as a starting research checklist, not a verdict on whether to live here.
- Check live recalls, weather and hazard alerts scoped to the Plainfield area before relying on national headlines. Check your area
- Read the poverty rate alongside the income figure, two places with the same median can have very different realities.
- Compare Plainfield against New Jersey peers on any ranking lens. Explore New Jersey
Population and economics (income, home value, poverty, education) are place-level U.S. Census ACS; health is CDC PLACES; hospital counts reflect facilities in and around the city.
Data Sources
All data on this page comes from official U.S. government sources. Population and economic data from the Census Bureau American Community Survey (2024 5-year estimates, place geography). Health data from the CDC PLACES program (2023). Hospital ratings from CMS Hospital Compare (2024). Climate data from NOAA. Education data from NCES. Cost of living from Bureau of Economic Analysis. Crime statistics, where referenced on Areazine, originate from the FBI Crime Data Explorer. Housing market figures referenced on Areazine come from HUD Fair Market Rents. Census economics and population are at place geography; some health and hospital indicators are reported at the county level (Union County) where that is the smallest published unit.
Every figure on Areazine is published directly from official U.S. government sources, no number is typed in by an editor. City demographic and health figures are compiled directly from U.S. Census, CDC, and CMS releases, updated quarterly within 30 days of upstream release. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.