"Sioux County"@en . . "0.09"^^ . "16.9885"^^ . . "33704"^^ . "Sioux County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 33,704. Its county seat is Orange City."@en . "1.9917e+09"^^ . . "1.98911e+09"^^ . . . "2010Z"^^ . "1.81299e+06"^^ . .