. . "1.46334e+09"^^ . "0.09"^^ . . "2010Z"^^ . "Stephenson County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 47,711. Its county seat is Freeport.Stephenson County is included in the Freeport, IL Micropolitan Statistical Area, which is also included in the Rockford-Freeport-Rochelle, IL Combined Statistical Area."@en . . "32.8187"^^ . "Stephenson County"@en . "47711"^^ . "1.46334e+09"^^ . "1.29499e+06"^^ .