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Grant County, Wisconsin Demographics 2026

Grant County, Wisconsin has a population of 51,770, the 28th most populous county in Wisconsin. The median household income is $66,858 and the median home value is $200,700. The poverty rate is 13.0%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Grant County Quick Facts

Population 51,770
Median Household Income $66,858
Median Home Value $200,700
Poverty Rate 13.0%
Unemployment Rate 3.1%
Median Age 36.8 years
Homeownership Rate 69.8%
Affordability Ratio 3.0x
Bachelor's Degree+ 25.6%
High School Graduation 93.5%
Cities/Places 22
Population 51,770 28th of 72
Median Income $66,858 14% lower than state
Poverty Rate 13.0%
Unemployment 3.1%

How Grant County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population51,67851,770+0.2%
Median household income$64,349$66,858+3.9%
Median home value$186,300$200,700+7.7%

Economy & Housing

Household Income Distribution

Under $25K 15.3%
$25K-$50K 21.7%
$50K-$100K 32.0%
$100K+ 31.1%
Detailed income brackets
Under $10K
4.4%
$10K-$15K
3.3%
$15K-$20K
3.8%
$20K-$25K
3.7%
$25K-$30K
4.2%
$30K-$35K
4.0%
$35K-$40K
4.8%
$40K-$45K
5.0%
$45K-$50K
3.6%
$50K-$60K
7.5%
$60K-$75K
11.3%
$75K-$100K
13.1%
$100K-$125K
10.7%
$125K-$150K
7.5%
$150K-$200K
7.5%
$200K+
5.4%

Employment

3.1% Unemployment Rate State: 3.3%|National: 5.2%
63.4% Labor Force Participation

Housing Overview

Owner 69.8%
Renter 30.2%
Affordability Index Affordable
3.0x home value to income ratio
Median gross rent $813/mo 14.6% of median household income annually

People & Demographics

Diversity Index

13out of 100
Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 37 | National average: 61

Education

Cities & Places in Grant County

CityPopulationMedian IncomePovertyHome Value
Platteville11,499$43,08323.9%$200,100
Lancaster3,976$84,3026.5%$204,000
Boscobel3,242$54,07120.5%$147,400
Fennimore2,752$61,87515.1%$161,400
Cuba City2,007$74,5712.1%$188,600
Hazel Green1,204$64,68810.6%$165,700
Muscoda1,151$55,83312.5%$133,600
Dickeyville878$70,9135.3%$193,400
Bloomington710$77,7506.5%$131,300
Cassville634$58,75011.8%$123,100
Montfort629$90,00012.6%$158,000
Potosi595$69,0006.8%$187,500
Livingston555$66,8759.6%$166,000
Blue River472$59,86111.6%$124,100
Kieler358$78,7505.6%$220,500
Bagley337$53,22917.8%$119,400
Tennyson308$61,2502.3%$134,200
Sandy Hook268$83,4096.0%$193,800
Mount Hope230$64,06314.0%$97,800
Patch Grove227$48,9587.9%$150,300
Woodman224$83,43821.0%$152,000
Glen Haven68$71,25010.3%$100,000

Population Overview

Grant County is located in Wisconsin with a total population of 51,770. It is the 28th most populous county out of 72 in Wisconsin. The county encompasses 22 Census-designated places.

Age Demographics

The median age in Grant County is 36.8 years. This is 8% lower than the state median of 40.2 years.

Economy, Income & Housing

The median household income in Grant County is $66,858. This is 14% lower than the state median of $77,485. It is also 17% lower than the national median of $80,734. The poverty rate stands at 13.0%. This is 23% higher than the state poverty rate of 10.5%. The unemployment rate is 3.1%. This is 5% lower than the state rate of 3.3%. The median home value is $200,700. Housing costs are 25% lower than the state median of $266,500. The home-value-to-income ratio is 3.0x. 69.8% of occupied housing units are owner-occupied. This homeownership rate is 3% higher than the state average of 67.8%.

Race & Ethnicity

Grant County has a predominantly White (non-Hispanic) population, comprising 93.0% of all residents. Hispanic or Latino residents account for 2.6%. The Black or African American population (1.5%) is well below the state average of 5.9%. The Hispanic or Latino population (2.6%) is well below the state average of 8.0%. The Asian population (0.7%) is well below the state average of 2.9%.

Education

25.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 23% lower than the state rate of 33.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.5%.

Data Sources & Methodology

All figures for Grant County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Wisconsin and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Grant County, Wisconsin?

Grant County has a population of 51,770, making it the 28th most populous county in Wisconsin.

What is the median income in Grant County?

The median household income in Grant County is $66,858 with a poverty rate of 13.0%.

How many cities are in Grant County, Wisconsin?

Grant County contains 22 Census-designated places.