Marquette County, Wisconsin
Located in Wisconsin, Marquette County has a population of 15,746 residents and a median age of 50.7 years, making it the #2,112 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 13.1%. The median home value is $210,400, and the median household income is $65,681, which is 13% below the national median.
Demographics
Marquette County has a population of 15,746, making it the #2,112 most populous county in the US. The median age is 50.7 years, which is 30.3% 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 Marquette County is $65,681, ranking #1,572 out of 3,222 counties — 12.6% below the national median. The poverty rate is 13.1% and unemployment stands at 2.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Marquette County is $210,400 (-25.4% vs national). Renters pay a median of $800/mo and the homeownership rate is 81.2%.
Median Home Value Trend
Rankings →Household Type
Education
In Marquette County, 16.2% of adults age 25+ hold a bachelor's degree or higher, which is 51.9% below the national average, ranking #2,633 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Marquette County is 74.9 years. 19.4% of adults report poor or fair health and 6.8% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
21.1% of adults in Marquette County smoke , 40.9% are obese , and 23.7% report excessive drinking. The drug overdose death rate is 21.2 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 23.8 per 100,000. Motor vehicle deaths occur at a rate of 21.2 per 100,000.
Suicide Rate Trend
Families & Children
16.2% of children in Marquette County live in poverty . The teen birth rate is 14.9 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Marquette County is 73.6%. The mean commute time is 31.2 min, which is 13.0% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Marquette County voted Republican with a margin of 29.6%. The vote was 34.6% Dem / 64.2% Rep. Compared to 2020, the margin shifted 2.2 toward Republicans .
Vote Share Over Time
About Marquette County, Wisconsin
Marquette County, Wisconsin has a total population of 15,746, making it the 2,112th most populous county in the United States. The median age in Marquette County is 50.7 years, which is 30.3% above the national median of 38.9 years.
The median household income in Marquette County is $65,681, which ranks #1,572 of 3,222 counties nationwide. This is 12.6% below the national median of $75,149. The poverty rate is 13.1%, higher than the national rate of 12.6%. The unemployment rate stands at 2.7%.
The median home value in Marquette County is $210,400, 25.4% below the national median. Renters in Marquette County pay a median gross rent of $800 per month. The homeownership rate is 81.2%, compared to the national rate of 64.4%.
In Marquette County, 16.2% of residents aged 25 and older hold a bachelor's degree or higher, 51.9% below the national average of 33.7%. Health insurance coverage stands at 94.5% of the population. The average commute time for workers is 31.2 min.
Marquette County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 92.3% of the population, followed by Hispanic or Latino (3.7%) and Two or More Races (2.6%).
All data for Marquette 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.