where is chisago county?
Chisago County, Minnesota. Chisago County (/ÊÉªËsÉËÉ¡oÊ/ shi-SAH-goh) is a county located in the U.S. state of Minnesota. As of the 2010 census, the population was 53,887.[2] Its county seat is Center City.[3] The county's name comes from Chisago Lake.