Union County, IA — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
12,038
Male
5,863
48.7%
Female
6,175
51.3%
Median Age
40.6 yrs
Avg Household Size
2.3
Foreign Born
1.0%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher16.3%
High School or Higher39.2%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
6.3%
Disability
0.0%
Non-English Home
4.7%
Married
40.5%
Union County, IA has a population of 12,038 according to 2023 Census Bureau estimates. The median age is 40.6 years. The largest racial or ethnic group is White at 94.2% of the population. 16.3% of residents hold a bachelor's degree or higher. 1.0% of residents are foreign-born.