Monona County, Iowa Demographics 2026

Population Overview

Monona County is located in Iowa with a total population of 8,619. It is the 85th most populous county out of 99 in Iowa. The county encompasses 1 Census-designated place.

Age Demographics

The median age in Monona County is 44.7 years. This is 16% higher than the state median of 38.6 years. 11.2% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Monona County is $62,944. This is 14% lower than the state median of $73,147. Compared to the national median of $78,538, household income here is 20% lower. The poverty rate stands at 11.2%. This is 2% higher than the state poverty rate of 11.0%. The unemployment rate is 2.1%. This is 42% lower than the state rate of 3.6%. The median home value is $122,600. Housing costs are 37% lower than the state median of $195,900. With a home-value-to-income ratio of just 1.9x, Monona County is one of the most affordable housing markets in the area. 76.4% of occupied housing units are owner-occupied. This homeownership rate is 7% higher than the state average of 71.5%.

Race & Ethnicity

Monona County has a predominantly White (non-Hispanic) population, comprising 93.3% of all residents. Hispanic or Latino residents account for 2.5%. The Black or African American population (0.1%) is well below the state average of 3.8%. The Hispanic or Latino population (2.5%) is well below the state average of 7.0%.

Education

18.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 39% 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 93.6%.