Marquette County, Michigan
Located in Michigan, Marquette County has a population of 67,112 residents and a median age of 39.3 years, making it the #816 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 14.0%. The median home value is $216,500, and the median household income is $65,429, which is 13% below the national median.
Demographics
Marquette County has a population of 67,112, making it the #816 most populous county in the US. The median age is 39.3 years, which is 1.0% 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 $65,429, ranking #1,598 out of 3,222 counties — 12.9% below the national median. The poverty rate is 14.0% and unemployment stands at 4.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Marquette County is $216,500 (-23.2% vs national). Renters pay a median of $949/mo and the homeownership rate is 69.6%.
Median Home Value Trend
Rankings →Household Type
Education
In Marquette County, 36.8% of adults age 25+ hold a bachelor's degree or higher, which is 9.2% above the national average, ranking #387 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Marquette County is 78.0 years. 14.7% of adults report poor or fair health and 5.9% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
15.9% of adults in Marquette County smoke , 32.0% are obese , and 21.4% report excessive drinking. The drug overdose death rate is 14.6 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Marquette County is 2.1 per 100,000 and the suicide rate is 22.1 per 100,000. Motor vehicle deaths occur at a rate of 8.4 per 100,000.
Suicide Rate Trend
Families & Children
13.4% of children in Marquette County live in poverty . The teen birth rate is 6.3 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Marquette County is 69.4%. The mean commute time is 20.1 min, which is 27.3% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Marquette County voted Democratic with a margin of 8.7%. The vote was 53.5% Dem / 44.8% Rep. Compared to 2020, the margin shifted 2.4 toward Republicans .
Vote Share Over Time
About Marquette County, Michigan
Marquette County, Michigan has a total population of 67,112, making it the 816th most populous county in the United States. The median age in Marquette County is 39.3 years, which is 1.0% above the national median of 38.9 years.
The median household income in Marquette County is $65,429, which ranks #1,598 of 3,222 counties nationwide. This is 12.9% below the national median of $75,149. The poverty rate is 14.0%, higher than the national rate of 12.6%. The unemployment rate stands at 4.6%.
The median home value in Marquette County is $216,500, 23.2% below the national median. Renters in Marquette County pay a median gross rent of $949 per month. The homeownership rate is 69.6%, compared to the national rate of 64.4%.
In Marquette County, 36.8% of residents aged 25 and older hold a bachelor's degree or higher, 9.2% above the national average of 33.7%. Health insurance coverage stands at 96.6% of the population. The average commute time for workers is 20.1 min.
Marquette County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 90.7% of the population, followed by Two or More Races (4.2%) and Hispanic or Latino (2.1%).
All data for Marquette County, Michigan 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.