Union County Population 2018

Union County's estimated population is 563,892 with a growth rate of 0.50% in the past year according to the most recent United States census data. Union County is the 7th largest county in New Jersey.

Year Population Growth Growth Rate
2017563,8922,7860.50%
2016561,1064,0330.72%
2015557,0733,0040.54%
2014554,0693,6080.66%
2013550,4614,5830.84%
2012545,8784,5780.85%
2011541,3003,5570.66%
2010537,74343,9248.89%
1990493,819-10,275-2.04%
1980504,094-39,022-7.18%
1970543,11638,8617.71%
1960504,255106,11726.65%
1950398,13869,79421.26%
1940328,34423,1357.58%
1930305,209105,05252.48%
1920200,15759,96042.77%
1910140,19740,84441.11%
190099,35326,88637.10%
189072,46716,89630.40%
188055,57113,71232.76%
187041,85914,07950.68%
186027,7800.00%

Union County Population Growth

Population Data via

Union County Race Data

Race Population Percentage
White376,95366.85%
Black or African American130,89723.21%
Asian29,5965.25%
Two or More Races11,1051.97%
American Indian and Alaska Native3,8320.68%
Native Hawaiian and Other Pacific Islander5660.10%

Union County Population Pyramid

0k5k10k15k20k Male Population0k5k10k15k20k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990