Preble County | |
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![]() Preble County Courthouse | |
![]() Location within the U.S. state of Ohio | |
![]() Ohio's location within the U.S. | |
Coordinates: 39°44′N 84°39′W / 39.74°N 84.65°W | |
Country | ![]() |
State | ![]() |
Founded | March 1, 1808[1][2] |
Named for | Edward Preble |
Seat | Eaton |
Largest city | Eaton |
Area | |
• Total | 426 sq mi (1,100 km2) |
• Land | 424 sq mi (1,100 km2) |
• Water | 2.3 sq mi (6 km2) 0.5% |
Population (2020) | |
• Total | 40,999 ![]() |
• Density | 96/sq mi (37/km2) |
Time zone | UTC−5 (Eastern) |
• Summer (DST) | UTC−4 (EDT) |
Congressional district | 8th |
Website | www |
Preble County (/ˈprɛbəl/ PREH-bəl[3]) is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 40,999,[4] down 3.0% from the 2010 census population of 42,270.[5] Its county seat is Eaton.[6] The county was formed on February 15, 1808, from portions of Butler and Montgomery Counties. It is named for Edward Preble, a naval officer who fought in the American Revolutionary War and against the Barbary Pirates.[7]