WGCA-FM serves an area of Missouri with what population?
Hannibal, Missouri Hannibal is a city in Marion and Ralls counties in the U.S. state of Missouri. Interstate 72 and U.S. Routes 24, 36, and 61 intersect in the city, which is located along the Mississippi River approximately 100 mi northwest of St. Louis. According to the 2010 U.S. Census, the population was 17,606, making it the largest city in Marion County.
St. Mary, Missouri St. Mary (Ste. Marie, with French spelling) is a city in Ste. Genevieve County, Missouri, United States. The population was 360 at the 2010 census.