Harrison County, Iowa Demographics 2026

Population Overview

Harrison County is located in Iowa with a total population of 14,645. It is the 52nd most populous county out of 99 in Iowa.

Age Demographics

The median age in Harrison County is 41.9 years. This is 9% higher than the state median of 38.6 years.

Economy, Income & Housing

The median household income in Harrison County is $77,027. This is 5% higher than the state median of $73,147. Compared to the national median of $78,538, household income here is 2% lower. The poverty rate stands at 7.5%. This is 32% lower than the state poverty rate of 11.0%. The unemployment rate is 2.8%. This is 24% lower than the state rate of 3.6%. The median home value is $165,300. Housing costs are 16% lower than the state median of $195,900. With a home-value-to-income ratio of just 2.1x, Harrison County is one of the most affordable housing markets in the area. 76.9% of occupied housing units are owner-occupied. This homeownership rate is 8% higher than the state average of 71.5%.

Race & Ethnicity

Harrison County has a predominantly White (non-Hispanic) population, comprising 95.0% of all residents. Hispanic or Latino residents account for 2.1%. The Black or African American population (0.1%) is well below the state average of 3.8%. The Hispanic or Latino population (2.1%) is well below the state average of 7.0%. The Asian population (0.3%) is well below the state average of 2.4%.

Education

21.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 31% 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 93.5%.