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 Gregory for six years. In 1887 he was a candidate to replace James Campbell Matthews as Washington, DC Recorder of Deeds, although the position went to William Monroe Trotter. Gregory was again a candidate for the position to succeed Trotter in late 1889, but the position went to Blanche Bruce. Gregory was president of the American Association of Educators of Colored Youth which was he founded in 1890 and led throughout its existence. He was a delegate to the 1892 Republican National Convention, and expressed interest in the Recorder of Deeds job again, which in 1893 went to C. H. J.