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Jefferson County, Indiana
County in Indiana, United States / From Wikipedia, the free encyclopedia
Jefferson County is a county located in the U.S. state of Indiana. As of 2020, the population was 33,147.[1] The county seat is Madison.[2]
Quick Facts Country, State ...
Jefferson County | |
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![]() Jefferson County Courthouse in Madison | |
![]() Location within the U.S. state of Indiana | |
![]() Indiana's location within the U.S. | |
Coordinates: 38°47′N 85°26′W | |
Country | ![]() |
State | ![]() |
Founded | 1811 |
Named for | Thomas Jefferson |
Seat | Madison |
Largest city | Madison |
Area | |
• Total | 362.89 sq mi (939.9 km2) |
• Land | 360.63 sq mi (934.0 km2) |
• Water | 2.26 sq mi (5.9 km2) 0.62% |
Population (2020) | |
• Total | 33,147 |
• Estimate (2023) | 33,056 ![]() |
• Density | 91/sq mi (35/km2) |
Time zone | UTC−5 (Eastern) |
• Summer (DST) | UTC−4 (EDT) |
Congressional district | 6th |
Website | jeffersoncounty |
Indiana county number 39 |
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