In 2019, Louisa County, IA had a population of 11.2k people with a median age of 41.9 and a median household income of $56,673. Between 2018 and 2019 the population of Louisa County, IA declined from 11,223 to 11,178, a −0.401% decrease and its median household income grew from $53,943 to $56,673, a 5.06% increase.
The 5 largest ethnic groups in Louisa County, IA are White (Non-Hispanic) (78.1%), White (Hispanic) (12.2%), Asian (Non-Hispanic) (3.37%), Other (Hispanic) (3.33%), and Black or African American (Non-Hispanic) (1.07%). 0% of the households in Louisa County, IA speak a non-English language at home as their primary language.
93.6% of the residents in Louisa County, IA are U.S. citizens.
In 2019, the median property value in Louisa County, IA was $108,800, and the homeownership rate was 76.9%. Most people in Louisa County, IA drove alone to work, and the average commute time was 21.4 minutes. The average car ownership in Louisa County, IA was 2 cars per household.
Louisa County, IA borders Mercer County, IL, Rock Island County, IL, Des Moines County, IA, Henry County, IA, Johnson County, IA, Muscatine County, IA, and Washington County, IA.