Union County NJ Information


Union County Subdivisions

Union County NJ Data & Demographics (As of July 1, 2018)


Total Population 565,061
Population in Households 558,240
Population in Familes 473,402
Population in Group Qrtrs 6,821
Population Density1 5,494
Diversity Index2 78


Median Household Income $74,700
Average Household Income $109,870
Per Capita Income $38,414


Total Housing Units 207,084 (100%)
Owner Occupied HU 113,015 (54.6%)
Renter Occupied HU 82,495 (39.8%)
Vacant Housing Units 11,574 ( 5.6%)
Median Home Value $388,445
Average Home Value $470,722


Total Households 195,510
Average Household Size 2.86
Family Households 139,480
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.63% 0.59%
Households 0.47% 0.5%
Families 0.43% 0.47%
Median Household Income   2.16%
Per Capita Income   2.5%


Union County NJ - Peer Comparisons by Rank and Percentile

The table below compares Union County to the other 21 counties and county equivalents in New Jersey by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 7 71st
Population Density # 3 90th
Diversity Index # 4 86th
Median Household Income # 12 48th
Per Capita Income # 11 52nd

Additional comparisons and rankings can be made with a VERY EASY TO USE New Jersey Census Data Comparison Tool.