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Iowa County, WI
12 cities and towns and 11 ZIP codes in Iowa County, Wisconsin.
Population
23,867
Land area
763sq mi
People per sq mi
31
ZIP codes
11
Cities and towns in Iowa County
Iowa County at a glance
- Iowa County is 71% less dense than Wisconsin as a whole.
- Households here earn a median of $82,182 a year, 6% more than the Wisconsin figure of $77,485.
- A typical owner-occupied home is valued at $265,000 and median rent is $954 a month.
- The biggest population centers are Dodgeville (5,042), Mineral Point (2,559) and Barneveld (1,416).
Local data for Iowa County, WI
Counts from official public data
Housing and community stats
Iowa County, WI, American Community Survey 2020-2024
Median household income
$82,182
Poverty rate
7.6%
Median home value
$265,000
Prices +5.1% in a year
Median rent
$954/mo
Homeownership
77.4%
Bachelor's or higher
28.4%
Median age
44.0
Average commute
27.2 min
Largest reported origins and ancestries: German Americans (8,853), Irish Americans (3,578), Norwegian Americans (2,587).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
2.6%
Aug 2026, +0.1 pts in a year
Average annual pay
$57,100
10,719 jobs, 2025
Income per person
$65,244
BEA, 2024
Federal spending
$164M
FY 2026, $6,937 per person
PPP loans
$44.14M
1,357 loans, 5,228 jobs reported
Campaign donations
$62.39K
Itemized, 2026 cycle
How people get to work
Iowa County, WI, workers 16 and older. American Community Survey 5-year estimates
- Drove alone73.4%
- Carpooled7.2%
- Public transit0.7%
- Walked3.3%
- Bicycle0.1%
- Taxi, ride-hailing, motorcycle or other1.5%
- Worked from home13.8%
Average one-way commute: 27.2 minutes for people who do not work from home.
Environment and hazard risk
Iowa County, WI, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: landslide
Storm events since 1996
739
Most often thunderstorm wind
Flood insurance policies
19
0.2% of homes, county
July high / Jan low
81° / 9°F
39.6 inches of rain a year
Hazards, floods and storm historyCheck a flood zone24 historic places
Health statistics
Share of adults in Iowa County, WI, CDC PLACES estimates
Obesity
38.7%
U.S. 33.3% +5.4 pts
Diabetes
11.3%
U.S. 12.1% -0.8 pts
Smoking
13.8%
U.S. 12.8% +1.0 pts
Uninsured (18-64)
6.7%
U.S. 11.1% -4.4 pts
Cities, towns and ZIP codes in Iowa County
Population shown
Frequently asked questions
- What is the largest city in Iowa County, WI?
- Dodgeville is the largest city or town in Iowa County, with about 5,042 residents.
- How many ZIP codes are in Iowa County?
- Iowa County includes 11 ZIP Code Tabulation Areas, including 53503, 53506, 53507, 53526, 53533.
- What is the population of Iowa County, WI?
- About 23,867 people live in Iowa County, based on American Community Survey 5-year estimates.
- What counties border Iowa County?
- Iowa County borders Dane County, Sauk County, Grant County, Green County, Richland County, Lafayette County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023