Iowa County, Wisconsin
Iowa County, Wisconsin, has 23,951 residents (July 2025 estimate). Its county seat is Dodgeville. It uses Central Time and covers 763 sq mi (1,975 km²) of land.
- Resident population, July 2025
- 23,951
- Land area
- 763 sq mi (1,975 km²)
- County seat or government
- Dodgeville
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $82,182 ± $5,047
- Median home value
- $265,000 ± $10,500
- Median rent, with utilities
- $954 ± $53
- Homes lived in by their owners
- 77.4% ± 1.5 points
- County type
- County
- Metro or micro area
- Madison, WI metro areaOutlying county
- Water area
- 5.36 sq mi (13.9 km²)
- State
- Wisconsin
- County code (FIPS)
- 55049
- Coordinates (central point)
- 43.001021, -90.133691
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Iowa County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Central TimeAmerica/Chicago | UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 5381816,024 people
- 535337,283 people
- 535654,778 people
- 535883,770 people
- 535603,416 people
- 535732,906 people
- 535072,467 people
- 535162,238 people
- 535032,057 people
- 535171,799 people
- 535431,758 people
- 535821,070 people
All 19
19 ZIP Code areas overlap Iowa County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Towns in Iowa County, largest first
- Town of Arena1,504 people
- Town of Dodgeville1,491 people
- Town of Brigham1,153 people
- Town of Mineral Point906 people
- Town of Linden890 people
- Town of Highland837 people
- Town of Moscow617 people
- Town of Ridgeway508 people
- Town of Waldwick471 people
- Town of Mifflin432 people
- Town of Clyde379 people
- Town of Pulaski374 people
All 14
- Town of Wyoming342 people
- Town of Eden304 people
People counts are American Community Survey 2020–2024 5-year estimates. All towns in Wisconsin, by county
School districts in Iowa County, largest first
- Platteville School District15,808 people
- Mount Horeb Area School District12,950 people
- River Valley School District9,166 people
- Dodgeville School District8,262 people
- Wisconsin Heights School District6,333 people
- Riverdale School District4,687 people
- Mineral Point School District4,243 people
- Iowa-Grant School District4,068 people
- Pecatonica Area School District2,838 people
- Barneveld School District2,551 people
- Highland School District1,720 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Dodgeville, Wisconsin (city)5,042 people
- Mineral Point, Wisconsin (city)2,559 people
- Barneveld, Wisconsin (village)1,416 people
- Muscoda, Wisconsin (village)1,151 people
- Arena, Wisconsin (village)883 people
- Highland, Wisconsin (village)867 people
- Blanchardville, Wisconsin (village)734 people
- Montfort, Wisconsin (village)629 people
- Ridgeway, Wisconsin (village)594 people
- Livingston, Wisconsin (village)555 people
- Linden, Wisconsin (village)553 people
- Avoca, Wisconsin (village)473 people
All 16
- Cobb, Wisconsin (village)403 people
- Hollandale, Wisconsin (village)327 people
- Rewey, Wisconsin (village)238 people
- Edmund, Wisconsin (CDP)187 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Lafayette County, Wisconsin24 mi south
- Grant County, Wisconsin30 mi west
- Richland County, Wisconsin30 mi northwest
- Sauk County, Wisconsin31 mi north
- Green County, Wisconsin35 mi southeast
- Dane County, Wisconsin36 mi east
Before using this answer on a form
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