In the mid-1800s, the area that is now Chisago County was part of the Minnesota Territory, and it was not officially established as a county until 1851. It took its name from the Chisago Lake. In its aboriginal form it was "Ki-chi-saga", from two Ojibwe words: "kichi" (large) and "saga" (fair or lovely).
In the mid-1800s, the area that is now Chisago County was part of the Minnesota Territory, and it was not officially established as a county until 1851. It took its name from the Chisago Lake. In its aboriginal form it was "Ki-chi-saga", from two Ojibwe words: "kichi" (large) and "saga" (fair or lovely).