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Grant County, Wisconsin Demographics 2026

Grant County, Wisconsin has a population of 51,678, the 29th most populous county in Wisconsin. The median household income is $64,349 and the median home value is $186,300. The poverty rate is 13.4%.

Grant County Quick Facts

Population 51,678
Median Household Income $64,349
Median Home Value $186,300
Poverty Rate 13.4%
Unemployment Rate 2.8%
Median Age 36.9 years
Homeownership Rate 69.1%
Affordability Ratio 2.9x
Bachelor's Degree+ 24.6%
High School Graduation 92.9%
Cities/Places 14
Population 51,678 29th of 72
Median Income $64,349 15% lower state
Poverty Rate 13.4%
Unemployment 2.8%

Economy & Housing

Employment

2.8% Unemployment Rate State: 3.3% | National: 5.2%
63.5% Labor Force Participation

Housing Overview

Owner 69.1%
Renter 30.9%
Affordability Index Very Affordable
2.9x home value to income ratio

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: 36 | National average: 60

Education

Cities & Places in Grant County

CityPopulationMedian IncomePovertyHome Value
Platteville city11,421$42,66725.3%$186,900
Lancaster city3,916$80,6254.3%$173,300
Boscobel city3,263$52,45719.2%$130,700
Fennimore city2,762$64,89116.5%$146,200
Dickeyville village904$64,7504.6%$181,700
Bloomington village716$70,1929.1%$139,400
Cassville village693$57,70811.1%$113,200
Potosi village616$70,0005.6%$183,200
Blue River village484$56,8309.4%$123,800
Bagley village345$50,13920.0%$115,200
Tennyson village335$59,8723.0%$134,900
Mount Hope village239$61,87515.6%$95,000
Woodman village222$79,16716.2%$145,000
Patch Grove village212$39,78111.3%$139,800

Explore Wisconsin Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Grant County is located in Wisconsin with a total population of 51,678. It is the 29th most populous county out of 72 in Wisconsin. The county encompasses 14 Census-designated places.

Age Demographics

The median age in Grant County is 36.9 years. This is 8% lower than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Grant County is $64,349. This is 15% lower than the state median of $75,670. Compared to the national median of $78,538, household income here is 18% lower. The poverty rate stands at 13.4%. This is 27% higher than the state poverty rate of 10.6%. The unemployment rate is 2.8%. This is 16% lower than the state rate of 3.3%. The median home value is $186,300. Housing costs are 25% lower than the state median of $247,400. With a home-value-to-income ratio of just 2.9x, Grant County is one of the most affordable housing markets in the area. 69.1% of occupied housing units are owner-occupied. This homeownership rate is 2% higher than the state average of 67.9%.

Race & Ethnicity

Grant County has a predominantly White (non-Hispanic) population, comprising 93.3% of all residents. Hispanic or Latino residents account for 2.5%. The Black or African American population (1.7%) is well below the state average of 6.0%. The Hispanic or Latino population (2.5%) is well below the state average of 7.8%. The Asian population (0.8%) is well below the state average of 2.9%.

Education

24.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 25% lower than the state rate of 32.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.9%.

Frequently Asked Questions

What is the population of Grant County, Wisconsin?

Grant County has a population of 51,678, making it the 29th most populous county in Wisconsin.

What is the median income in Grant County?

The median household income in Grant County is $64,349 with a poverty rate of 13.4%.

How many cities are in Grant County, Wisconsin?

Grant County contains 14 Census-designated places.