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
Age is the most distinctive thing about Marquette County: a median age of 50.5, older than the national median. With 15,706 residents, Marquette County is a county in Wisconsin.
The typical household here earns about $63,471, below the US median of $78,538. Only 6.9% of residents live in poverty, below the national 12.4%. The typical home is valued at $201,100, with typical rent around $800.
College attainment is 15.2%, below the national 35.0%. About 9.1% of the workforce is home-based, below the national 14.0%, and the average commute runs about 29 minutes each way.
The age structure shapes everything downstream in Marquette County — from housing demand to the mix of working-age earners reflected in the income figures above.
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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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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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.