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.

MilwaukeeGreen Bay
Iowa County in Wisconsin
DodgevilleMineral PointBarneveldMuscodaArena
Iowa County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
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 zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-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

  1. 5381816,024 people
  2. 535337,283 people
  3. 535654,778 people
  4. 535883,770 people
  5. 535603,416 people
  6. 535732,906 people
  7. 535072,467 people
  8. 535162,238 people
  9. 535032,057 people
  10. 535171,799 people
  11. 535431,758 people
  12. 535821,070 people
All 19
  1. 535541,029 people
  2. 535061,011 people
  3. 53569978 people
  4. 53544826 people
  5. 53553621 people
  6. 53526471 people
  7. 53580442 people

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

  1. Town of Arena1,504 people
  2. Town of Dodgeville1,491 people
  3. Town of Brigham1,153 people
  4. Town of Mineral Point906 people
  5. Town of Linden890 people
  6. Town of Highland837 people
  7. Town of Moscow617 people
  8. Town of Ridgeway508 people
  9. Town of Waldwick471 people
  10. Town of Mifflin432 people
  11. Town of Clyde379 people
  12. Town of Pulaski374 people
All 14
  1. Town of Wyoming342 people
  2. 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

  1. Platteville School District15,808 people
  2. Mount Horeb Area School District12,950 people
  3. River Valley School District9,166 people
  4. Dodgeville School District8,262 people
  5. Wisconsin Heights School District6,333 people
  6. Riverdale School District4,687 people
  7. Mineral Point School District4,243 people
  8. Iowa-Grant School District4,068 people
  9. Pecatonica Area School District2,838 people
  10. Barneveld School District2,551 people
  11. 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.

  1. Dodgeville, Wisconsin (city)5,042 people
  2. Mineral Point, Wisconsin (city)2,559 people
  3. Barneveld, Wisconsin (village)1,416 people
  4. Muscoda, Wisconsin (village)1,151 people
  5. Arena, Wisconsin (village)883 people
  6. Highland, Wisconsin (village)867 people
  7. Blanchardville, Wisconsin (village)734 people
  8. Montfort, Wisconsin (village)629 people
  9. Ridgeway, Wisconsin (village)594 people
  10. Livingston, Wisconsin (village)555 people
  11. Linden, Wisconsin (village)553 people
  12. Avoca, Wisconsin (village)473 people
All 16
  1. Cobb, Wisconsin (village)403 people
  2. Hollandale, Wisconsin (village)327 people
  3. Rewey, Wisconsin (village)238 people
  4. Edmund, Wisconsin (CDP)187 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Lafayette County, Wisconsin24 mi south
  2. Grant County, Wisconsin30 mi west
  3. Richland County, Wisconsin30 mi northwest
  4. Sauk County, Wisconsin31 mi north
  5. Green County, Wisconsin35 mi southeast
  6. Dane County, Wisconsin36 mi east

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.