Warren County is a county located in the state of Ohio, United States. The population was 158,383 at the 2000 census. The Census estimate for July 1, 2006, was 201,861 making Warren County the second fastest growing county in Ohio and 80th in the United States. Its county seat is Lebanon. Warren County was erected May 1, 1803 from Hamilton County, and named for Dr. Joseph Warren, a hero of the Revolution who sent Paul Revere on his ride and who d...
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Warren County is a county located in the state of Ohio, United States. The population was 158,383 at the 2000 census. The Census estimate for July 1, 2006, was 201,861 making Warren County the second fastest growing county in Ohio and 80th in the United States. Its county seat is Lebanon. Warren County was erected May 1, 1803 from Hamilton County, and named for Dr. Joseph Warren, a hero of the Revolution who sent Paul Revere on his ride and who died at the Battle of Bunker Hill.
Warren County is part of the Cincinnati–Middletown, OH-KY-IN Metropolitan Statistical Area.
According to the U.S. Census Bureau, the county has a total area of 407 square miles (1,054 km²). 400 square miles (1,035 km²) of it is land and 8 square miles (19 km²) of it (1.84%) is water. The county is a rough square with the sides roughly 20 miles (30 km) long.
Beginning in the northwest corner and proceeding clockwise, the following counties border Warren County: Montgomery, Greene, Clinton, Clermont, Hamilton,...
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