Louisa County, Iowa Demographics 2026

Population Overview

Louisa County is located in Iowa with a total population of 10,710. It is the 68th most populous county out of 99 in Iowa.

Age Demographics

The median age in Louisa County is 41.8 years. This is 8% higher than the state median of 38.6 years.

Economy, Income & Housing

The median household income in Louisa County is $80,223. This is 10% higher than the state median of $73,147. Compared to the national median of $78,538, household income here is 2% higher. The poverty rate stands at 9.9%. This is 10% lower than the state poverty rate of 11.0%. The unemployment rate is 3.9%. This is 6% higher than the state rate of 3.6%. The median home value is $137,600. Housing costs are 30% lower than the state median of $195,900. With a home-value-to-income ratio of just 1.7x, Louisa County is one of the most affordable housing markets in the area. 80.1% of occupied housing units are owner-occupied. This homeownership rate is 12% higher than the state average of 71.5%.

Race & Ethnicity

The largest racial or ethnic group in Louisa County is White (non-Hispanic), making up 77.6% of the population. Hispanic or Latino residents account for 16.2%. The Black or African American population (0.4%) is well below the state average of 3.8%. The Hispanic or Latino population is significantly higher than the state average (16.2% vs 7.0%).

Education

16.5% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 47% lower than the state rate of 30.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 87.6%.