Marinette County, Wisconsin
Located in Wisconsin, Marinette County has a population of 42,046 residents and a median age of 48.7 years, making it the #1,167 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 9.8%. The median home value is $158,600, and the median household income is $63,809, which is 15% below the national median.
Demographics
Marinette County has a population of 42,046, making it the #1,167 most populous county in the US. The median age is 48.7 years, which is 25.2% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Marinette County is $63,809, ranking #1,721 out of 3,222 counties — 15.1% below the national median. The poverty rate is 9.8% and unemployment stands at 3.4%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Marinette County is $158,600 (-43.7% vs national). Renters pay a median of $795/mo and the homeownership rate is 81.6%.
Median Home Value Trend
Rankings →Household Type
Education
In Marinette County, 19.8% of adults age 25+ hold a bachelor's degree or higher, which is 41.3% below the national average, ranking #2,039 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Marinette County is 76.0 years. 18.4% of adults report poor or fair health and 6.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
20.1% of adults in Marinette County smoke , 41.3% are obese , and 24.6% report excessive drinking. The drug overdose death rate is 19.3 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 26.0 per 100,000. Motor vehicle deaths occur at a rate of 14.3 per 100,000.
Suicide Rate Trend
Families & Children
15.9% of children in Marinette County live in poverty . The teen birth rate is 12.3 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Marinette County is 70.8%. The mean commute time is 23.0 min, which is 16.6% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Marinette County voted Republican with a margin of 38.0%. The vote was 30.4% Dem / 68.4% Rep. Compared to 2020, the margin shifted 3.5 toward Republicans .
Vote Share Over Time
About Marinette County, Wisconsin
Marinette County, Wisconsin has a total population of 42,046, making it the 1,167th most populous county in the United States. The median age in Marinette County is 48.7 years, which is 25.2% above the national median of 38.9 years.
The median household income in Marinette County is $63,809, which ranks #1,721 of 3,222 counties nationwide. This is 15.1% below the national median of $75,149. The poverty rate is 9.8%, lower than the national rate of 12.6%. The unemployment rate stands at 3.4%.
The median home value in Marinette County is $158,600, 43.7% below the national median. Renters in Marinette County pay a median gross rent of $795 per month. The homeownership rate is 81.6%, compared to the national rate of 64.4%.
In Marinette County, 19.8% of residents aged 25 and older hold a bachelor's degree or higher, 41.3% below the national average of 33.7%. Health insurance coverage stands at 95.8% of the population. The average commute time for workers is 23.0 min.
Marinette County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 93.4% of the population, followed by Hispanic or Latino (2.9%) and Two or More Races (2.6%).
All data for Marinette County, Wisconsin comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.