Winneshiek County, Iowa Demographics 2026

Population Overview

Winneshiek County is located in Iowa with a total population of 19,972. It is the 34th most populous county out of 99 in Iowa.

Age Demographics

The median age in Winneshiek County is 42.2 years. This is 9% higher than the state median of 38.6 years.

Economy, Income & Housing

The median household income in Winneshiek County is $75,652. This is 3% higher than the state median of $73,147. Compared to the national median of $78,538, household income here is 4% lower. The poverty rate stands at 7.9%. This is 28% lower than the state poverty rate of 11.0%. The unemployment rate is 2.3%. This is 37% lower than the state rate of 3.6%. The median home value is $239,000. Housing costs are 22% higher than the state median of $195,900. The home-value-to-income ratio is 3.2x. 76.4% of occupied housing units are owner-occupied. This homeownership rate is 7% higher than the state average of 71.5%.

Race & Ethnicity

Winneshiek County has a predominantly White (non-Hispanic) population, comprising 93.8% of all residents. Hispanic or Latino residents account for 3.0%. The Black or African American population (0.7%) is well below the state average of 3.8%. The Hispanic or Latino population (3.0%) is well below the state average of 7.0%. The Asian population (0.6%) is well below the state average of 2.4%.

Education

31.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 2% 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 95.4%.