"1.82853e+09"^^ . "136146"^^ . "3.10799e+07"^^ . . "Calhoun County"@en . "1.85961e+09"^^ . "2010Z"^^ . "74.5177"^^ . . . "Calhoun County is a county in the U.S. state of Michigan. As of the 2010 census, the population was 136,146. The county seat is Marshall. The county was established on October 19, 1829 and named after John C. Calhoun, who was at the time Vice President under Andrew Jackson, making it one of Michigan's Cabinet counties."@en . "1.7"^^ . .