Mississippi County, Missouri

Mississippi 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 MISSISSIPPI GUS Population: 11,750 (2024) ID: 129437	County	Official County Government	Contact: COUNTY CLERK PO BOX 369, CHARLESTON MO 63834-0369
CITY OF CHARLESTON GUS Population: 4,447 (2024) ID: 129543	Municipal	Municipal Government Within County	Contact: CITY MANAGER PO BOX 216, CHARLESTON MO 63834-0216
CITY OF EAST PRAIRIE GUS Population: 2,859 (2024) ID: 107669	Municipal	Municipal Government Within County	Contact: CITY ADMINISTRATOR 219 N WASHINGTON ST, EAST PRAIRIE MO 63845-1141
CITY OF BERTRAND GUS Population: 704 (2024) ID: 169000	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 27, BERTRAND MO 63823-0027
CITY OF WYATT GUS Population: 207 (2024) ID: 168999	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 427, WYATT MO 63882-0427
CITY OF ANNISTON GUS Population: 179 (2024) ID: 202060	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 246, ANNISTON MO 63820-0246
VILLAGE OF WILSON CITY GUS Population: 75 (2024) ID: 169001	Municipal	Municipal Government Within County	Contact: MAYOR CITY CLERK PO BOX 366, WYATT MO 63882-0366