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Columbia County, Wisconsin Demographics 2026

Columbia County, Wisconsin has a population of 58,322, the 26th most populous county in Wisconsin. The median household income is $82,792 and the median home value is $258,700. The poverty rate is 7.8%.

Columbia County Quick Facts

Population 58,322
Median Household Income $82,792
Median Home Value $258,700
Poverty Rate 7.8%
Unemployment Rate 3.0%
Median Age 43.3 years
Homeownership Rate 76.9%
Affordability Ratio 3.1x
Bachelor's Degree+ 25.7%
High School Graduation 93.8%
Cities/Places 12
Population 58,322 26th of 72
Median Income $82,792 9% higher state
Poverty Rate 7.8%
Unemployment 3.0%

Economy & Housing

Employment

3.0% Unemployment Rate State: 3.3% | National: 5.2%
65.6% Labor Force Participation

Housing Overview

Owner 76.9%
Renter 23.1%
Affordability Index Affordable
3.1x home value to income ratio

People & Demographics

Diversity Index

17out 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 Columbia County

CityPopulationMedian IncomePovertyHome Value
Portage city10,374$62,78513.9%$187,300
Lodi city3,206$109,8213.3%$286,500
Poynette village2,583$78,95012.2%$260,900
Pardeeville village1,804$66,1677.0%$225,400
Fall River village1,739$73,2297.4%$229,100
Rio village1,068$68,30420.0%$174,800
Arlington village947$97,0311.8%$279,300
Cambria village765$69,3758.4%$149,300
Wyocena village684$75,4696.7%$227,200
Ontario village380$57,5005.5%$130,000
Friesland village269$76,8183.0%$147,200
Doylestown village195$80,9724.2%$162,500

Population Overview

Columbia County is located in Wisconsin with a total population of 58,322. It is the 26th most populous county out of 72 in Wisconsin. The county encompasses 12 Census-designated places.

Age Demographics

The median age in Columbia County is 43.3 years. This is 8% higher than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Columbia County is $82,792. This is 9% higher than the state median of $75,670. Compared to the national median of $78,538, household income here is 5% higher. The poverty rate stands at 7.8%. This is 26% lower than the state poverty rate of 10.6%. The unemployment rate is 3.0%. This is 8% lower than the state rate of 3.3%. The median home value is $258,700. Housing costs are 5% higher than the state median of $247,400. The home-value-to-income ratio is 3.1x. 76.9% of occupied housing units are owner-occupied. This homeownership rate is 13% higher than the state average of 67.9%.

Race & Ethnicity

Columbia County has a predominantly White (non-Hispanic) population, comprising 90.9% of all residents. Hispanic or Latino residents account for 3.9%. The Black or African American population (1.7%) is well below the state average of 6.0%. The Asian population (0.8%) is well below the state average of 2.9%.

Education

25.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 22% 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 93.8%.

Frequently Asked Questions

What is the population of Columbia County, Wisconsin?

Columbia County has a population of 58,322, making it the 26th most populous county in Wisconsin.

What is the median income in Columbia County?

The median household income in Columbia County is $82,792 with a poverty rate of 7.8%.

How many cities are in Columbia County, Wisconsin?

Columbia County contains 12 Census-designated places.