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Warren County is a county located in the U.S. State of Ohio. As of 2000, the population is 158,383. Its county seat is Lebanon 6. 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.
According to the U.S. Census Bureau, the county has a total area of 1,054 km²Square kilometre (symbol km is an SI unit of surface area. It is one of the SI derived units. 1 km² is equal to: the area of a square measuring 1 kilometre on each side 1 000 000 m² 100 hectares 0. 386 102 square miles (statute) 247. 105 381 acres Convers (407 mi²This article is about the unit of measure. In England, the Square Mile is a traditional name for the City of London. A square mile (symbol sq. or mi is an imperial unit which is the area of a square whose side is one mile (or 5,280 feet). A square mile is). 1,035 km² (400 mi²) of it is land and 19 km² (8 mi²) of it is water. The total area is 1.84% 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: MontgomeryMontgomery County is a county located in the U. State of Ohio. As of 2000, the population is 559,062. It was named in honor of Richard Montgomery, an American Revolutionary War general killed in 1775 while attempting to capture Quebec City, Canada. Its co, GreeneGreene County is a county located in the U. State of Ohio. As of 2000, the population is 147,886. Its county seat is Xenia 6. Geography According to the U. Census Bureau, the county has a total area of 1,078 km² (416 mi²). 1,075 km² (415 mi²) of it is lan, ClintonClinton County is a county located in the U. State of Ohio. As of 2000, the population is 40,543. It is named in honor of the first Governor of New York as a state, George Clinton. Its county seat is Wilmington 6. Geography According to the U. Census Bure, ClermontClermont County is a county located in the U. State of Ohio. As of 2000, the population is 177,977. Its county seat is Batavia 6. Geography According to the U. Census Bureau, the county has a total area of 1,185 km² (458 mi²). 1,171 km² (452 mi²) of it is, Hamilton, and ButlerButler County is a county located in the U. State of Ohio. As of 2000, the population is 332,807. Its county seat is Hamilton 6. Geography According to the U. Census Bureau, the county has a total area of 1,218 km² (470 mi²). 1,210 km² (467 mi²) of it is.
Warren County was created by the first Ohio General AssemblyThe Ohio General Assembly is the state legislature of the U. state of Ohio. It is a bicameral legislature. The lower house, the Ohio House of Representatives, has 99 members; the upper house, the Ohio State Senate, has 33. The second constitution of Ohio, in the Act of March 24, 1803, which also created Butler and Montgomery Counties. The act defined Warren County as "all that part of the county of Hamilton included within the following bounds, viz.: Beginning at the northeast corner of the county of Clermont, running thence west with the line of said county to the Little Miami; thence up the same with the meanders thereof to the north boundary of the first tier of sections in the second entire range of townships in the Miami Purchase; thence west to the northeast corner of Section No. 7 in the third township of the aforesaid range; thence north to the Great Miami; thence up the same to the middle of the fifth range of townships; thence east to the County line; thence with same south to the place of beginning." Originally this included land now in Clinton County as far east as Wilmington.
Clinton County proved a continuing headache to the legislature. The Ohio Constituion requires that every county have an area of at least four hundred square miles (1,036 km²). Clinton County's boundaries were several times adjusted in an effort to comply with that clause of the constitution. One of them, the Act of January 30, 1815, detached a strip of land from the eastern side to give to Clinton. That would have left Warren under four hundred square miles (1,036 km²), so a portion of Butler County (the part of Franklin Township where Carlisle is now located) was attached to Warren in compensation. The 1815 act was as follows:
Except for the sections formed by the Great and Little Miamis, the sides are all straight lines.