[2] The county was founded December 14, 1818, and named for Major General Benjamin Lincoln of the American Revolutionary War.

[3] Lincoln County is part of the St. Louis, MO-IL Metropolitan Statistical Area.

According to Goodspeed's History of Lincoln County, Missouri (1888), Lincoln County was named by Major Christopher Clark, the first permanent white settler in an address to the Territorial Legislature.

The motion was carried unanimously and the clerk, not adopting the frontier parlance of the Major, wrote "Lincoln" in the blank space of the bill.

say it was named for Major General Benjamin Lincoln, who served in the Continental Army during the American Revolution.

School districts include:[12] The Republican Party mostly controls politics at the local level in Lincoln County.

[14][15][16] Lincoln County is divided into two legislative districts in the Missouri House of Representatives.