Warren County, Iowa Demographics 2026

Population Overview

Warren County is located in Iowa with a total population of 53,484. It is the 11th most populous county out of 99 in Iowa. The county encompasses 1 Census-designated place.

Age Demographics

The median age in Warren County is 38.7 years. This is about average than the state median of 38.6 years.

Economy, Income & Housing

The median household income in Warren County is $92,990. This is 27% higher than the state median of $73,147. Compared to the national median of $78,538, household income here is 18% higher. The poverty rate stands at 5.3%. This is 51% lower than the state poverty rate of 11.0%. The unemployment rate is 3.0%. This is 17% lower than the state rate of 3.6%. The median home value is $252,800. Housing costs are 29% higher than the state median of $195,900. With a home-value-to-income ratio of just 2.7x, Warren County is one of the most affordable housing markets in the area. 83.0% of occupied housing units are owner-occupied. This homeownership rate is 16% higher than the state average of 71.5%.

Race & Ethnicity

Warren County has a predominantly White (non-Hispanic) population, comprising 92.5% of all residents. Hispanic or Latino residents account for 3.5%. The Black or African American population (0.7%) is well below the state average of 3.8%. The Hispanic or Latino population (3.5%) is well below the state average of 7.0%. The Asian population (0.7%) is well below the state average of 2.4%.

Education

32.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 6% higher 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 96.7%.