"2.4"^^ . "20840"^^ . . "1857Z"^^ . . "Martin County"@en . "11.197"^^ . . . . "2010Z"^^ . "1.89069e+09"^^ . "Martin County is a county located in the U.S. state of Minnesota. As of the 2010 census, the population was 20,840. Its county seat is Fairmont. Martin County was named for Henry Martin, a pioneer settler."@en . "4.40298e+07"^^ . . "1.84407e+09"^^ .