. "1.68349e+09"^^ . "1.64723e+09"^^ . "19848"^^ . . . "Jackson County"@en . "2010Z"^^ . . "2.1"^^ . "3.62598e+07"^^ . . . "Jackson County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 19,848. The county seat is Maquoketa. The county was formed on December 21, 1837 and named after US President Andrew Jackson."@en . . "11.9692"^^ . .