Kewaunee County, Wisconsin Demographics 2026

Population Overview

Kewaunee County is located in Wisconsin with a total population of 20,621. It is the 52nd most populous county out of 72 in Wisconsin. The county encompasses 4 Census-designated places.

Age Demographics

The median age in Kewaunee County is 44.4 years. This is 11% higher than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Kewaunee County is $80,085. This is 6% higher than the state median of $75,670. Compared to the national median of $78,538, household income here is 2% higher. The poverty rate stands at 7.6%. This is 28% lower than the state poverty rate of 10.6%. The unemployment rate is 1.6%. This is 51% lower than the state rate of 3.3%. The median home value is $208,900. Housing costs are 16% lower than the state median of $247,400. With a home-value-to-income ratio of just 2.6x, Kewaunee County is one of the most affordable housing markets in the area. 85.3% of occupied housing units are owner-occupied. This homeownership rate is 26% higher than the state average of 67.9%.

Race & Ethnicity

Kewaunee County has a predominantly White (non-Hispanic) population, comprising 92.5% of all residents. Hispanic or Latino residents account for 4.0%. The Black or African American population (0.4%) is well below the state average of 6.0%. The Asian population (0.5%) is well below the state average of 2.9%.

Education

20.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 37% lower than the state rate of 32.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.6%.