Union County, NJ Map
Official Census boundary of Union County, New Jersey (FIPS 34039). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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Union County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
579,290
Households
203,277
Median household income
$103,202
Median age
39.1 years
Median home value
$529,200
Median gross rent
$1,730/mo
Owner-occupied homes
57.4%
Bachelor's degree or higher
38.9%
Below poverty level
9.2%
Land area
102.8 sq mi
Population density
5,637 / sq mi