Marquette County, Wisconsin Demographics 2026

Population Overview

Marquette County is located in Wisconsin with a total population of 15,706. It is the 64th most populous county out of 72 in Wisconsin. The county encompasses 5 Census-designated places.

Age Demographics

The median age in Marquette County is 50.5 years. This is 26% higher than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Marquette County is $63,471. This is 16% lower than the state median of $75,670. Compared to the national median of $78,538, household income here is 19% lower. The poverty rate stands at 11.8%. This is 12% higher than the state poverty rate of 10.6%. The unemployment rate is 2.9%. This is 12% lower than the state rate of 3.3%. The median home value is $201,100. Housing costs are 19% lower than the state median of $247,400. The home-value-to-income ratio is 3.2x. 80.9% of occupied housing units are owner-occupied. This homeownership rate is 19% higher than the state average of 67.9%.

Race & Ethnicity

Marquette County has a predominantly White (non-Hispanic) population, comprising 92.5% of all residents. Hispanic or Latino residents account for 3.6%. The Black or African American population (0.5%) is well below the state average of 6.0%. The Hispanic or Latino population (3.6%) is well below the state average of 7.8%. The Asian population (0.6%) is well below the state average of 2.9%.

Education

15.2% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 54% 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 91.9%.