Lincoln County, Missouri

Lincoln County, Missouri
Lincoln County Courthouse in Troy
Location within the U.S. state of Missouri
Coordinates: 39°04′N 90°58′W / 39.06°N 90.96°W / 39.06; -90.96
Country United States
State Missouri
FoundedDecember 14, 1818
Named afterBenjamin Lincoln
SeatTroy
Largest cityTroy
Area
 • Total
640 sq mi (1,700 km2)
 • Land627 sq mi (1,620 km2)
 • Water14 sq mi (36 km2)  2.2%
Population
 (2020)
 • Total
59,574
 • Density93/sq mi (36/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district6th
Websitewww.lcmo.us

Lincoln County is located in the eastern part of the U.S. state of Missouri. As of the 2020 census, the population was 59,574. Its county seat is Troy. The county was founded December 14, 1818, and named for Major General Benjamin Lincoln of the American Revolutionary War. Lincoln County is part of the St. Louis, MO-IL Metropolitan Statistical Area.