Grant County, Wisconsin Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 29th-largest in Wisconsin
The population of Grant County, Wisconsin is 51,678 as of the 2023 American Community Survey, making it the 29th-largest county in Wisconsin. The median household income is $64,349, the median home value is $186,300, and the median age is 36.9.
The population of Grant County has grown 2.1% since 2010 (51,234 → 52,330), a +0.15% annualized rate.
51,678
Population
+0.15%
Annual growth
45
People / sq mi
$64,349
Median Income
$186,300
Median Home Value
Grant County covers 1,148 sq mi of land at 45.0 people per square mile.
About Grant County, WI
Grant County is a county in Wisconsin with a population of 51,678. It ranks #29 among counties in Wisconsin by population. The median age is 36.9, younger than the national median. The population is 51.8% male and 48.2% female.
The median household income in Grant County is $64,349, below the US median of $74,580. 7.2% of residents live below the federal poverty level. Home values sit at a median of $186,300, with monthly rent averaging $812. The homeownership rate of 69.1% is higher than the national rate of 64.8%.
Educational attainment in Grant County reflects 24.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 9.3% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 20.6 minutes each way.
Grant County Population History (2010-2024)
The county of Grant County had a population of 51,234 in 2010 and 52,330 in 2024, a 2.1% growth over 14 years. The peak was 52,330 in 2024. Average annual growth rate: 0.15%.
52,330
Population (2024)
51,234
Population (2010)
52,330
Peak (2024)
0.15%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 51,234 |
| 2011 | 51,186 |
| 2012 | 50,880 |
| 2013 | 51,011 |
| 2014 | 51,708 |
| 2015 | 52,103 |
| 2016 | 52,044 |
| 2017 | 51,773 |
| 2018 | 51,501 |
| 2019 | 51,509 |
| 2020 | 51,979 |
| 2021 | 51,309 |
| 2022 | 51,337 |
| 2023 | 51,894 |
| 2024 | 52,330 |
Race & Ethnicity
| White | 94.2% |
| Black or African American | 1.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.6% |
| Two or More Races | 0.0% |
Age & Sex
36.9
Median Age
48.2%
Female
51.8%
Male
17.9%
Age 65+
Age Distribution
Children (under 15): 17.4% · Seniors (65+): 17.9%
Income & Poverty
| Median household income | $64,349$-11,321 vs state |
| Mean household income | $82,821 |
| Per-capita income | $33,079 |
| Poverty rate | 7.2%+0.6% vs state |
| Unemployment rate | 1.8% |
| Employment-to-population | 61.7% |
Top Industries by Employment
The largest employment sector in Grant County is professional & business services, accounting for 22.4% of workers.
How residents commute
0.3%
Drive alone
6.8%
Carpool
75.4%
Public transit
9.3%
Work from home
20.6 min
Avg commute
Housing
$186,300$-61,100 vs state
Median home value
$812
Median rent
69.1%
Homeownership rate
22,192
Total housing units
89.7%
Occupied
10.3%
Vacant
30.9%
Renter-occupied
Social & access
92.5%
With health insurance
91.8%
With broadband internet
30.3%
Foreign-born
5.7%
Veterans (18+)
10.9%
With a disability
95.5%
Speak language other than English at home
Education
92.9%
High School+
24.6%
Bachelor's+
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Frequently Asked Questions
Grant County, Wisconsin has a population of 51,678 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 29th-largest county in Wisconsin. Population density is 45 people per square mile.
The population of Grant County has grown 2.1% since 2010 (51,234 → 52,330), a +0.15% annualized rate.
The median household income in Grant County, Wisconsin is $64,349, with mean (average) household income of $82,821 and per-capita income of $33,079. 7.2% of residents live below the federal poverty level.
In Grant County, the largest racial and ethnic groups are White (94.2%), Black or African American (1.8%), Hispanic or Latino (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Grant County, Wisconsin is 36.9 years. Residents are 48.2% female and 51.8% male.
The median home value in Grant County is $186,300 and median monthly rent is $812. 69.1% of occupied housing units are owner-occupied. The county has 22,192 total housing units, 10.3% of which are vacant.
The largest employment sector in Grant County, Wisconsin is professional, scientific, and management services, employing 22.4% of workers. The unemployment rate is 1.8%.
Milwaukee is among the largest cities associated with Grant 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.