City in Montserrado, Liberia Monrovia City Monrovia Images top, left to right: Capitol Building, Monrovia City Hall, Downtown Monrovia, University of Liberia, Monrovia Bay Monrovia Location within Liberia, West Africa Coordinates: 6°18′48″N 10°48′5″W﻿ / ﻿6.31333°N 10.80139°W﻿ / 6.31333; -10.80139Coordinates: 6°18′48″N 10°48′5″W﻿ / ﻿6.31333°N 10.80139°W﻿ / 6.31333; -10.80139 Country Liberia County Montserrado District Greater Monrovia Established April 25, 1822 Named for James Monroe - U.S. President Government • Type Local Government of Monrovia • Mayor Jefferson T. Koijee Area • City 75.00 sq mi (194.25 km2) Population (2008 Census)[1] • Metro 1,010,970 Time zone UTC+0 (GMT) Climate Am