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Iowa County, Wisconsin Demographics 2026

Iowa County, Wisconsin has a population of 23,867, the 48th most populous county in Wisconsin. The median household income is $82,182 and the median home value is $265,000. The poverty rate is 7.6%.

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

Iowa County Quick Facts

Population 23,867
Median Household Income $82,182
Median Home Value $265,000
Poverty Rate 7.6%
Unemployment Rate 3.1%
Median Age 44.0 years
Homeownership Rate 77.4%
Affordability Ratio 3.2x
Bachelor's Degree+ 28.4%
High School Graduation 95.3%
Cities/Places 13
Population 23,867 48th of 72
Median Income $82,182 6% higher than state
Poverty Rate 7.6%
Unemployment 3.1%

How Iowa 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
Population23,83223,867+0.1%
Median household income$83,372$82,182-1.4%
Median home value$248,100$265,000+6.8%

Economy & Housing

Household Income Distribution

Under $25K 11.6%
$25K-$50K 17.3%
$50K-$100K 32.0%
$100K+ 39.1%
Detailed income brackets
Under $10K
3.7%
$10K-$15K
3.8%
$15K-$20K
2.2%
$20K-$25K
1.8%
$25K-$30K
3.6%
$30K-$35K
2.8%
$35K-$40K
2.1%
$40K-$45K
4.4%
$45K-$50K
4.4%
$50K-$60K
6.7%
$60K-$75K
10.4%
$75K-$100K
15.0%
$100K-$125K
10.9%
$125K-$150K
8.5%
$150K-$200K
10.5%
$200K+
9.2%

Employment

3.1% Unemployment Rate State: 3.3%|National: 5.2%
67.9% Labor Force Participation

Housing Overview

Owner 77.4%
Renter 22.6%
Affordability Index Affordable
3.2x home value to income ratio
Median gross rent $954/mo 13.9% of median household income annually

People & Demographics

Diversity Index

14out 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 Iowa County

CityPopulationMedian IncomePovertyHome Value
Dodgeville5,042$72,2886.3%$242,600
Mineral Point2,559$81,0003.5%$212,200
Barneveld1,416$113,5424.6%$285,200
Arena883$69,0632.2%$194,400
Highland867$67,34412.8%$153,500
Blanchardville734$64,5317.1%$172,200
Ridgeway594$88,12516.5%$202,700
Linden553$62,2736.7%$167,500
Avoca473$53,75019.6%$115,400
Cobb403$79,19615.9%$176,300
Hollandale327$71,2504.3%$174,000
Rewey238$55,00018.6%$114,800
Edmund187$54,77330.5%$157,500

Population Overview

Iowa County is located in Wisconsin with a total population of 23,867. It is the 48th most populous county out of 72 in Wisconsin. The county encompasses 13 Census-designated places.

Age Demographics

The median age in Iowa County is 44.0 years. This is 9% higher than the state median of 40.2 years.

Economy, Income & Housing

The median household income in Iowa County is $82,182. This is 6% higher than the state median of $77,485. It is also 2% higher than the national median of $80,734. The poverty rate stands at 7.6%. This is 28% lower than the state poverty rate of 10.5%. The unemployment rate is 3.1%. This is 4% lower than the state rate of 3.3%. The median home value is $265,000. Housing costs are about the same as the state median of $266,500. The home-value-to-income ratio is 3.2x. 77.4% of occupied housing units are owner-occupied. This homeownership rate is 14% higher than the state average of 67.8%.

Race & Ethnicity

Iowa County has a predominantly White (non-Hispanic) population, comprising 92.4% of all residents. Hispanic or Latino residents account for 2.3%. The Black or African American population (0.8%) is well below the state average of 5.9%. The Hispanic or Latino population (2.3%) is well below the state average of 8.0%. The Asian population (0.9%) is well below the state average of 2.9%.

Education

28.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 15% 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 95.3%.

Data Sources & Methodology

All figures for Iowa 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 Iowa County, Wisconsin?

Iowa County has a population of 23,867, making it the 48th most populous county in Wisconsin.

What is the median income in Iowa County?

The median household income in Iowa County is $82,182 with a poverty rate of 7.6%.

How many cities are in Iowa County, Wisconsin?

Iowa County contains 13 Census-designated places.