Lewis County, Missouri

Lewis County
County
Lewis County Courthouse in Monticello
Lewis County Courthouse in Monticello
Map of Missouri highlighting Lewis County
Location within the U.S. state of Missouri
Map of the United States highlighting Missouri
Missouri's location within the U.S.
Coordinates: 40°05′N 91°44′W / 40.09°N 91.73°W / 40.09; -91.73
Country United States
State Missouri
FoundedJanuary 2, 1833
Named forMeriwether Lewis
SeatMonticello
Largest cityCanton
Area
 • Total
511 sq mi (1,320 km2)
 • Land505 sq mi (1,310 km2)
 • Water5.8 sq mi (15 km2)  1.1%
Population
 (2020)
 • Total
10,032
 • Density20/sq mi (7.6/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district6th
Websitelewiscountymo.org
The Lewis County, Missouri courthouse in Monticello as it appeared in the mid-1870s.

Lewis County is a county located in the northeastern portion of the U.S. state of Missouri. As of the 2020 census, the population was 10,032.[1] Its county seat is Monticello.[2] The county was organized January 2, 1833, and named for Meriwether Lewis, the explorer and Governor of the Louisiana Territory.[3]

Lewis County is part of the Quincy, IL–MO Micropolitan Statistical Area.

  1. ^ "Explore Census Data". data.census.gov. Retrieved January 4, 2022.
  2. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
  3. ^ Eaton, David Wolfe (1916). How Missouri Counties, Towns and Streams Were Named. The State Historical Society of Missouri. pp. 185.