Pettis County, Missouri

Pettis 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 PETTIS GUS Population: 43,791 (2024) ID: 168759	County	Official County Government	Contact: PETTIS COUNTY PRESIDING COMMISSIONER 415 S OHIO AVE, SEDALIA MO 65301-4435
CITY OF SEDALIA GUS Population: 22,310 (2024) ID: 129566	Municipal	Municipal Government Within County	Contact: MAYOR 200 S OSAGE AVE, SEDALIA MO 65301-4334
CITY OF LA MONTE GUS Population: 1,009 (2024) ID: 169054	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 147, LA MONTE MO 65337-0147
CITY OF GREEN RIDGE GUS Population: 599 (2024) ID: 129565	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 127, GREEN RIDGE MO 65332-0127
CITY OF SMITHTON GUS Population: 504 (2024) ID: 202065	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 188, SMITHTON MO 65350-0188
CITY OF HOUSTONIA GUS Population: 195 (2024) ID: 107681	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 17, HOUSTONIA MO 65333-0017
VILLAGE OF HUGHESVILLE GUS Population: 152 (2024) ID: 208639	Municipal	Municipal Government Within County	Contact: CHAIRMAN 205 MAIN ST, HUGHESVILLE MO 65334-1103