Mills County, Iowa Demographics 2026

Population Overview

Mills County is located in Iowa with a total population of 14,563. It is the 54th most populous county out of 99 in Iowa. The county encompasses 1 Census-designated place.

Age Demographics

The median age in Mills County is 42.6 years. This is 10% higher than the state median of 38.6 years.

Economy, Income & Housing

The median household income in Mills County is $87,810. This is 20% higher than the state median of $73,147. Compared to the national median of $78,538, household income here is 12% higher. The poverty rate stands at 6.9%. This is 37% 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 $228,700. Housing costs are 17% higher than the state median of $195,900. With a home-value-to-income ratio of just 2.6x, Mills County is one of the most affordable housing markets in the area. 84.2% of occupied housing units are owner-occupied. This homeownership rate is 18% higher than the state average of 71.5%.

Race & Ethnicity

Mills County has a predominantly White (non-Hispanic) population, comprising 93.3% of all residents. Hispanic or Latino residents account for 3.6%. The Black or African American population (0.4%) is well below the state average of 3.8%. The Asian population (0.4%) is well below the state average of 2.4%.

Education

32.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 4% 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 95.6%.