Marquette County, Wisconsin Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 64th-largest in Wisconsin
The population of Marquette County, Wisconsin is 15,706 as of the 2023 American Community Survey, making it the 64th-largest county in Wisconsin. The median household income is $63,471, the median home value is $201,100, and the median age is 50.5.
The population of Marquette County has grown 2.4% since 2010 (15,372 → 15,743), a +0.17% annualized rate.
15,706
Population
+0.17%
Annual growth
34
People / sq mi
$63,471
Median Income
$201,100
Median Home Value
Marquette County covers 456 sq mi of land at 34.5 people per square mile.
About Marquette County, WI
Marquette County is a county in Wisconsin with a population of 15,706. It ranks #64 among counties in Wisconsin by population. The median age is 50.5, older than the national median. The population is 51.6% male and 48.4% female.
The median household income in Marquette County is $63,471, below the US median of $74,580. 6.9% of residents live below the federal poverty level. Home values sit at a median of $201,100, with monthly rent averaging $800. The homeownership rate of 80.9% is higher than the national rate of 64.8%.
Educational attainment in Marquette County reflects 15.2% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 9.1% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 28.7 minutes each way.
Marquette County Population History (2010-2024)
The county of Marquette County had a population of 15,372 in 2010 and 15,743 in 2024, a 2.4% growth over 14 years. The peak was 15,851 in 2023. Average annual growth rate: 0.17%.
15,743
Population (2024)
15,372
Population (2010)
15,851
Peak (2023)
0.17%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 15,372 |
| 2011 | 15,363 |
| 2012 | 15,237 |
| 2013 | 15,174 |
| 2014 | 15,060 |
| 2015 | 15,112 |
| 2016 | 15,115 |
| 2017 | 15,270 |
| 2018 | 15,393 |
| 2019 | 15,537 |
| 2020 | 15,580 |
| 2021 | 15,778 |
| 2022 | 15,776 |
| 2023 | 15,851 |
| 2024 | 15,743 |
Race & Ethnicity
| White | 93.9% |
| Black or African American | 0.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.3% |
| Two or More Races | 0.0% |
Age & Sex
50.5
Median Age
48.4%
Female
51.6%
Male
25.9%
Age 65+
Age Distribution
Children (under 15): 15.4% · Seniors (65+): 25.9%
Income & Poverty
| Median household income | $63,471$-12,199 vs state |
| Mean household income | $79,741 |
| Per-capita income | $35,090 |
| Poverty rate | 6.9%+0.3% vs state |
| Unemployment rate | 1.6% |
| Employment-to-population | 53.3% |
Top Industries by Employment
The largest employment sector in Marquette County is manufacturing, accounting for 22.3% of workers.
How residents commute
0.0%
Drive alone
2.4%
Carpool
79.6%
Public transit
9.1%
Work from home
28.7 min
Avg commute
Housing
$201,100$-46,300 vs state
Median home value
$800
Median rent
80.9%
Homeownership rate
9,841
Total housing units
69.9%
Occupied
30.1%
Vacant
19.1%
Renter-occupied
Social & access
94.5%
With health insurance
91.1%
With broadband internet
20.8%
Foreign-born
10.3%
Veterans (18+)
18.1%
With a disability
96.5%
Speak language other than English at home
Education
91.9%
High School+
15.2%
Bachelor's+
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County rankings
Frequently Asked Questions
Marquette County, Wisconsin has a population of 15,706 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 64th-largest county in Wisconsin. Population density is 34 people per square mile.
The population of Marquette County has grown 2.4% since 2010 (15,372 → 15,743), a +0.17% annualized rate.
The median household income in Marquette County, Wisconsin is $63,471, with mean (average) household income of $79,741 and per-capita income of $35,090. 6.9% of residents live below the federal poverty level.
In Marquette County, the largest racial and ethnic groups are White (93.9%), Hispanic or Latino (1.3%), Black or African American (0.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Marquette County, Wisconsin is 50.5 years. Residents are 48.4% female and 51.6% male.
The median home value in Marquette County is $201,100 and median monthly rent is $800. 80.9% of occupied housing units are owner-occupied. The county has 9,841 total housing units, 30.1% of which are vacant.
The largest employment sector in Marquette County, Wisconsin is manufacturing, employing 22.3% of workers. The unemployment rate is 1.6%.
Milwaukee is among the largest cities associated with Marquette County, Wisconsin, with a population of 569,756.
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Statewide data for Wisconsin
Population, race, income, age, and trends across Wisconsin
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.