Fort Madison-Keokuk micropolitan area

The Fort Madison–Keokuk, IA-IL-MO Micropolitan Statistical Area, as defined by the United States Census Bureau, locally known as the "Tri-State" area, is an area consisting of three counties – one in southeast Iowa, one in northeast Missouri, and one in west central Illinois, anchored by the cities of Fort Madison, Iowa and Keokuk, Iowa. As of the 2010 census, the µSA had a population of 62,105. An estimate by the Census Bureau, as of July 1, 2012, placed the population at 61,477, a decrease of 1.01%.