Union County Population 2018

Union County's estimated population is 26,222 with a growth rate of 0.69% in the past year according to the most recent United States census data. Union County is the 23rd largest county in Oregon.

Year Population Growth Growth Rate
201726,2221790.69%
201626,0433671.43%
201525,676660.26%
201425,6101100.43%
201325,500-272-1.06%
201225,772-107-0.41%
201125,8791500.58%
201025,7292,1319.03%
199023,598-323-1.35%
198023,9214,54423.45%
197019,3771,1976.58%
196018,1802181.21%
195017,9625633.24%
194017,399-93-0.53%
193017,4928565.15%
192016,6364452.75%
191016,1911210.75%
190016,0704,02633.43%
189012,0445,39481.11%
18806,6504,098160.58%
18702,5520.00%

Union County Population Growth

Population Data via

Union County Race Data

Race Population Percentage
White23,96391.39%
Two or More Races6602.52%
Native Hawaiian and Other Pacific Islander3241.24%
American Indian and Alaska Native3101.18%
Asian3071.17%
Black or African American1650.63%

Union County Population Pyramid

0k0k0k1k1k1k1k Male Population0k0k0k1k1k1k1k 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