Union County Population 2018

Union County's estimated population is 12,450 with a growth rate of 0.48% in the past year according to the most recent United States census data. Union County is the 60th largest county in Iowa.

Year Population Growth Growth Rate
201712,450600.48%
201612,390-35-0.28%
201512,425-190-1.51%
201412,61580.06%
201312,607270.21%
201212,580310.25%
201112,549380.30%
201012,511-239-1.87%
199012,750-1,108-8.00%
198013,8583012.22%
197013,557-155-1.13%
196013,712-1,939-12.39%
195015,651-629-3.86%
194016,280-1,155-6.62%
193017,4351670.97%
192017,2686523.92%
191016,616-3,312-16.62%
190019,9283,02817.92%
189016,9001,92012.82%
188014,9808,994150.25%
18705,9863,974197.51%
18602,0120.00%

Union County Population Growth

Population Data via

Union County Race Data

Race Population Percentage
White12,06696.92%
Black or African American1301.04%
Two or More Races1271.02%
Asian770.62%
American Indian and Alaska Native440.35%
Native Hawaiian and Other Pacific Islander30.02%

Union County Population Pyramid

0k0k0k0k0k1k Male Population0k0k0k0k0k1k 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