Iowa County | |
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![]() Iowa County Courthouse in March 2013 | |
![]() Location within the U.S. state of Wisconsin | |
![]() Wisconsin's location within the U.S. | |
Coordinates: 43°00′N 90°08′W / 43°N 90.13°W | |
Country | ![]() |
State | ![]() |
Founded | 1830 |
Named for | Iowa people |
Seat | Dodgeville |
Largest city | Dodgeville |
Area | |
• Total | 768 sq mi (1,990 km2) |
• Land | 763 sq mi (1,980 km2) |
• Water | 5.4 sq mi (14 km2) 0.7% |
Population | |
• Total | 23,709 |
• Density | 31.1/sq mi (12.0/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | 2nd |
Website | www |
Iowa County is a county in the U.S. state of Wisconsin. As of 2020, 23,709 people lived there.[1] Its county seat is Dodgeville.[2] It is also the largest city in the county.
Iowa County is part of the Madison Metropolitan Statistical Area.
Historical population | |||
---|---|---|---|
Census | Pop. | %± | |
1840 | 3,978 | — | |
1850 | 9,525 | 139.4% | |
1860 | 18,967 | 99.1% | |
1870 | 24,544 | 29.4% | |
1880 | 23,628 | −3.7% | |
1890 | 22,117 | −6.4% | |
1900 | 23,114 | 4.5% | |
1910 | 22,497 | −2.7% | |
1920 | 21,504 | −4.4% | |
1930 | 20,039 | −6.8% | |
1940 | 20,595 | 2.8% | |
1950 | 19,610 | −4.8% | |
1960 | 19,631 | 0.1% | |
1970 | 19,306 | −1.7% | |
1980 | 19,802 | 2.6% | |
1990 | 20,150 | 1.8% | |
2000 | 22,780 | 13.1% | |
2010 | 23,687 | 4.0% | |
2020 | 23,709 | 0.1% | |
U.S. Decennial Census[3] 1790–1960[4] 1900–1990[5] 1990–2000[6] 2010–2020[1] |
The county has a total area of 768 square miles (1,989.1 km2). Of this, 763 square miles (1,976.2 km2) is land and 5 square miles (12.9 km2) (0.70%) is water.