"2014Z"^^ . "22192"^^ . "4.63867e+09"^^ . . "2.58999e+07"^^ . "Jefferson County"@en . "1914Z"^^ . . "Jefferson County is a county located in the U.S. state of Oregon. As of the 2010 census, the population was 21,720. The county seat is Madras. The county is named after Mount Jefferson."@en . . . . . "4.61277e+09"^^ . "0.6"^^ . "4.63323"^^ .