In 2019, Union County, IA had a population of 12.4k people with a median age of 40.3 and a median household income of $49,900. Between 2018 and 2019 the population of Union County, IA declined from 12,453 to 12,358, a −0.763% decrease and its median household income grew from $47,518 to $49,900, a 5.01% increase.
The 5 largest ethnic groups in Union County, IA are White (Non-Hispanic) (94%), White (Hispanic) (2.69%), Asian (Non-Hispanic) (1.46%), Two+ (Non-Hispanic) (0.987%), and Black or African American (Non-Hispanic) (0.502%). 0% of the households in Union County, IA speak a non-English language at home as their primary language, and 98.9% of the residents in Union County, IA are U.S. citizens.
The largest universities in Union County, IA are Southwestern Community College (407 degrees awarded in 2019).
In 2019, the median property value in Union County, IA was $104,000, and the homeownership rate was 70.4%. Most people in Union County, IA drove alone to work, and the average commute time was 16.7 minutes. The average car ownership in Union County, IA was 2 cars per household.