Polk County is a county located in the southwestern portion of the state of Missouri. Based on the 2010 census, the population was
31,137. Its county seat is Bolivar. The county was founded January 5, 1835, and named for Ezekiel Polk.
Polk County is part of the Springfield, MO Metropolitan Statistical Area.
Named for United States President James K. Polk.
County QuickFacts: CensusBureau Quick Facts
Polk County was organized on March 14, 1835, by a supplemental act to correct an error in the boundaries of the act of January 5, 1835. An influential man, John P. Campbell, who was a second cousin to Congressman James K. Polk, later President Polk, and his suggestion was adopted. (Eaton (28), p. 342; Session Acts 1834-1835)
Source: Meyers, Robert Lee. "Place Names In The Southwest Counties Of Missouri." M.A. thesis., University of Missouri-Columbia, 1930.
As reported by the Census Bureau, the county has a total area of 642 square miles (1,660 km2), of which 636 square miles (1,650 km2) is
land and 6.9 square miles (18 km2) (1.1%) is water.
Bordering counties are as follows: