Oconto County, Wisconsin Demographics 2026

Population Overview

Oconto County is located in Wisconsin with a total population of 39,589. It is the 38th most populous county out of 72 in Wisconsin. The county encompasses 10 Census-designated places.

Age Demographics

The median age in Oconto County is 47.5 years. This is 18% higher than the state median of 40.2 years.

Economy, Income & Housing

The median household income in Oconto County is $75,049. This is 3% lower than the state median of $77,485. It is also 7% lower than the national median of $80,734. The poverty rate stands at 8.2%. This is 22% lower than the state poverty rate of 10.5%. The unemployment rate is 2.0%. This is 38% lower than the state rate of 3.3%. The median home value is $231,400. Housing costs are 13% lower than the state median of $266,500. The home-value-to-income ratio is 3.1x. 85.0% of occupied housing units are owner-occupied. This homeownership rate is 25% higher than the state average of 67.8%.

Race & Ethnicity

Oconto County has a predominantly White (non-Hispanic) population, comprising 93.3% of all residents. Hispanic or Latino residents account for 2.3%. The Black or African American population (0.1%) is well below the state average of 5.9%. The Hispanic or Latino population (2.3%) is well below the state average of 8.0%. The Asian population (0.2%) is well below the state average of 2.9%.

Education

18.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 43% lower than the state rate of 33.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.5%.

Data Sources & Methodology

All figures for Oconto County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Wisconsin and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.