Monroe, North Carolina Monroe, North Carolina Monroe is a city in and the county seat of Union County, North Carolina, United States. The population increased from 26,228 in 2000 to 32,797 in 2010. It is within the rapidly growing Charlotte-Gastonia-Rock Hill, NC-SC Metropolitan area. Monroe has a council-manager form of government. Monroe was founded as a planned settlement. In 1843, the first Board of County Commissioners, appointed by the General Assembly, selected an area in the center of the county as the county seat, and Monroe was incorporated that year. It was named for James Monroe, the country’s fifth president. It became a
Oak Hill (James Monroe house) to sell that property to pay debts he had incurred while serving as President. Monroe had put Oak Hill on the market in 1809, and placed an advertisement in "The Washingtonian" on December 23 of that year: He also attempted to sell the land in 1825, but failed to receive an acceptable bid both times. In 1822, Monroe began construction on the main house, a two-story brick mansion in the Federal style. He hired James Hoban, the designer of the White House, to serve as architect. Monroe's longtime friend and political mentor Thomas Jefferson offered many design suggestions. Monroe and