Marion County, Missouri
Marion 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 MARION
GUS Population: 28,425 (2024)
ID: 190661
|
County | Official County Government |
Contact: MARION COUNTY CLERK
100 S MAIN ST, STE 107, PALMYRA MO 63461
|
|
GUS Population: 16,809 (2024)
ID: 190680
|
Municipal | Municipal Government Within County |
Contact: DIRECTOR OF FINANCE
320 BROADWAY, HANNIBAL MO 63401-4492
|
|
GUS Population: 3,644 (2024)
ID: 168989
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 32, PALMYRA MO 63461-0032
|