Monroe, Ohio Monroe, Ohio Monroe is a city located in east central Butler and west central Warren counties in the southwestern part of the U.S. state of Ohio. As of the 2010 Census, the city population was 12,442, up from 4,008 in 1990. Monroe was laid out in 1817 on the Dayton and Cincinnati pike. The city is named for President James Monroe, fifth President of the United States. In the early 1830s, Monroe contained one store and 119 inhabitants. Monroe is located at (39.444658, −84.364044). According to the United States Census Bureau, the city has a total area of , of
James Monroe principles. The Quids tried to enlist Monroe in their cause. The plan was to run Monroe for president in the 1808 election in cooperation with the Federalist Party, which had a strong base in New England. John Randolph of Roanoke led the Quid effort to stop Jefferson's choice of Madison. The regular Democratic-Republicans overcame the Quids in the nominating caucus, kept control of the party in Virginia, and protected Madison's base. Monroe did not publicly criticize Jefferson or Madison during Madison's campaign against Federalist Charles Cotesworth Pinckney, and refused to support Madison. Madison defeated Pinckney by a large margin, carrying