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
The poverty rate is what most separates Iowa County from the typical county: 3.3% of residents live below the federal poverty line, against 12.4% nationally. Iowa County is a county in Wisconsin with a population of 23,832. It ranks #48 among counties in Wisconsin by population.
Households take in a median $83,372, comfortably above the US median of $78,538. Very few residents live in poverty — 3.3%, below the national 12.4%. Home values run above average at $248,100, with typical rent around $941.
Educational attainment is on the higher side for US counties — 28.5% of adults hold a four-year degree, below the national 35.0%. About 13.8% of workers primarily work from home, close to the national 14.0%, and the average commute runs about 27 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.