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 French dupe and at worst a traitor. With the power to appoint election officials in Virginia, Monroe exercised his influence to help Jefferson win Virginia's presidential electors. He also considered using the Virginia militia to force the outcome in favor of Jefferson. Jefferson won the 1800 election, and he appointed Madison as his Secretary of State. As a member of Jefferson's party and the leader of the largest state in the country, Monroe emerged as one of Jefferson's two most likely successors, alongside Madison. Shortly after the end of Monroe's gubernatorial tenure, President Jefferson sent Monroe back to France to