Jefferson County, Iowa
County in Iowa, United States / From Wikipedia, the free encyclopedia
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Not to be confused with Jefferson, Iowa.
Jefferson County is a county located in the U.S. state of Iowa. As of the 2020 United States Census, the population was 15,663.[2] The county seat is Fairfield.[3] The county was formed in January 1839, and was named for U.S. President Thomas Jefferson.[4][5]
Quick Facts Country, State ...
Jefferson County | |
---|---|
Coordinates: 41°01′53″N 91°56′41″W | |
Country | United States |
State | Iowa |
Founded | January 21, 1839 |
Named for | Thomas Jefferson |
Seat | Fairfield |
Largest city | Fairfield |
Area | |
• Total | 437 sq mi (1,130 km2) |
• Land | 436 sq mi (1,130 km2) |
• Water | 1.4 sq mi (4 km2) 0.3% |
Population (2020) | |
• Total | 15,663 |
• Estimate (2021)[1] | 15,647 |
• Density | 36/sq mi (14/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | 1st |
Website | https://jeffersoncounty.iowa.gov/ |
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Jefferson County comprises the Fairfield, IA Micropolitan Statistical Area.