Iowa County, Wisconsin Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 48th-largest in Wisconsin
The population of Iowa County, Wisconsin is 23,832 as of the 2023 American Community Survey, making it the 48th-largest county in Wisconsin. The median household income is $83,372, the median home value is $248,100, and the median age is 43.7.
The population of Iowa County has grown 1.1% since 2010 (23,694 → 23,963), a +0.08% annualized rate.
23,832
Population
+0.08%
Annual growth
31
People / sq mi
$83,372
Median Income
$248,100
Median Home Value
Iowa County covers 763 sq mi of land at 31.2 people per square mile.
About Iowa County, WI
Iowa County is a county in Wisconsin with a population of 23,832. It ranks #48 among counties in Wisconsin by population. The median age is 43.7, older than the national median. The population is 51.0% male and 49.0% female.
The median household income in Iowa County is $83,372, above the US median of $74,580. 3.3% of residents live below the federal poverty level. Home values sit at a median of $248,100, with monthly rent averaging $941. The homeownership rate of 77.1% is higher than the national rate of 64.8%.
Educational attainment in Iowa County reflects 28.5% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 13.8% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 26.6 minutes each way.
Iowa County Population History (2010-2024)
The county of Iowa County had a population of 23,694 in 2010 and 23,963 in 2024, a 1.1% growth over 14 years. The peak was 23,963 in 2024. Average annual growth rate: 0.08%.
23,963
Population (2024)
23,694
Population (2010)
23,963
Peak (2024)
0.08%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 23,694 |
| 2011 | 23,586 |
| 2012 | 23,585 |
| 2013 | 23,565 |
| 2014 | 23,594 |
| 2015 | 23,597 |
| 2016 | 23,471 |
| 2017 | 23,692 |
| 2018 | 23,709 |
| 2019 | 23,648 |
| 2020 | 23,718 |
| 2021 | 23,815 |
| 2022 | 23,959 |
| 2023 | 23,881 |
| 2024 | 23,963 |
Race & Ethnicity
| White | 93.4% |
| Black or African American | 0.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.6% |
| Two or More Races | 0.0% |
Age & Sex
43.7
Median Age
49.0%
Female
51.0%
Male
19.9%
Age 65+
Age Distribution
Children (under 15): 17.7% · Seniors (65+): 19.9%
Income & Poverty
| Median household income | $83,372+$7,702 vs state |
| Mean household income | $97,487 |
| Per-capita income | $41,421 |
| Poverty rate | 3.3%-3.3% vs state |
| Unemployment rate | 2.2% |
| Employment-to-population | 66.0% |
Top Industries by Employment
The largest employment sector in Iowa County is professional & business services, accounting for 19.0% of workers.
How residents commute
0.1%
Drive alone
3.0%
Carpool
75.1%
Public transit
13.8%
Work from home
26.6 min
Avg commute
Housing
$248,100+$700 vs state
Median home value
$941
Median rent
77.1%
Homeownership rate
11,007
Total housing units
90.4%
Occupied
9.6%
Vacant
22.9%
Renter-occupied
Social & access
96.6%
With health insurance
92.2%
With broadband internet
18.0%
Foreign-born
5.9%
Veterans (18+)
11.9%
With a disability
97.8%
Speak language other than English at home
Education
95.5%
High School+
28.5%
Bachelor's+
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County rankings
Frequently Asked Questions
Iowa County, Wisconsin has a population of 23,832 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 48th-largest county in Wisconsin. Population density is 31 people per square mile.
The population of Iowa County has grown 1.1% since 2010 (23,694 → 23,963), a +0.08% annualized rate.
The median household income in Iowa County, Wisconsin is $83,372, with mean (average) household income of $97,487 and per-capita income of $41,421. 3.3% of residents live below the federal poverty level.
In Iowa County, the largest racial and ethnic groups are White (93.4%), Black or African American (0.8%), Hispanic or Latino (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Iowa County, Wisconsin is 43.7 years. Residents are 49.0% female and 51.0% male.
The median home value in Iowa County is $248,100 and median monthly rent is $941. 77.1% of occupied housing units are owner-occupied. The county has 11,007 total housing units, 9.6% of which are vacant.
The largest employment sector in Iowa County, Wisconsin is professional, scientific, and management services, employing 19.0% of workers. The unemployment rate is 2.2%.
Milwaukee is among the largest cities associated with Iowa County, Wisconsin, with a population of 569,756.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.