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
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.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 23,832 | 23,867 | +0.1% |
| Median household income | $83,372 | $82,182 | -1.4% |
| Median home value | $248,100 | $265,000 | +6.8% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 37 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Iowa County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Dodgeville | 5,042 | $72,288 | 6.3% | $242,600 |
| Mineral Point | 2,559 | $81,000 | 3.5% | $212,200 |
| Barneveld | 1,416 | $113,542 | 4.6% | $285,200 |
| Arena | 883 | $69,063 | 2.2% | $194,400 |
| Highland | 867 | $67,344 | 12.8% | $153,500 |
| Blanchardville | 734 | $64,531 | 7.1% | $172,200 |
| Ridgeway | 594 | $88,125 | 16.5% | $202,700 |
| Linden | 553 | $62,273 | 6.7% | $167,500 |
| Avoca | 473 | $53,750 | 19.6% | $115,400 |
| Cobb | 403 | $79,196 | 15.9% | $176,300 |
| Hollandale | 327 | $71,250 | 4.3% | $174,000 |
| Rewey | 238 | $55,000 | 18.6% | $114,800 |
| Edmund | 187 | $54,773 | 30.5% | $157,500 |
Explore Wisconsin Rankings
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.