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
José Joaquim Almeida January 1817, Ambassador Onis began filing the Spanish claims against James Monroe, then in charge of the Secretary of State, focusing specifically on Almeida. Onis presented testimony from several captures in the first months of the year, including two sailors who testified that on March 15 near Havana, he shot and boarded a British brig. Monroe became president, and when in March 1817 he arrived in Baltimore, Almeida was immediately processed by the Maryland state prosecutor Elias Glenn, imposed neutrality laws, in spite the protests of Ambassador Onis to Richard Rush, at that time the Secretary of State, to judge