Lewis County, Missouri

Lewis County profile, demographic data, and geographic information.

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF

Government Unit	Unit Type	Jurisdiction Role	Contact / Address
COUNTY OF LEWIS GUS Population: 9,852 (2024) ID: 168745	County	Official County Government	Contact: PRESIDING COMM PO BOX 67, MONTICELLO MO 63457-0067
CITY OF CANTON GUS Population: 2,747 (2024) ID: 168966	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 231, CANTON MO 63435-0231
CITY OF LA GRANGE GUS Population: 806 (2024) ID: 168967	Municipal	Municipal Government Within County	Contact: CITY ADMINISTRATOR PO BOX 266, LA GRANGE MO 63448-0266
CITY OF LA BELLE GUS Population: 645 (2024) ID: 186241	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 51, LA BELLE MO 63447-0051
CITY OF LEWISTOWN GUS Population: 508 (2024) ID: 168968	Municipal	Municipal Government Within County	Contact: TREASURER PO BOX 267, LEWISTOWN MO 63452-0267
CITY OF EWING GUS Population: 394 (2024) ID: 129530	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 346, EWING MO 63440-0346
TOWN OF MONTICELLO GUS Population: 105 (2024) ID: 129531	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 26, MONTICELLO MO 63457-0026