Sullivan County, Missouri
Sullivan 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 SULLIVAN
GUS Population: 5,750 (2024)
ID: 168772
|
County | Official County Government |
Contact: COUNTY CLERK
109 N MAIN ST, MILAN MO 63556-1369
|
|
CITY OF MILAN
GUS Population: 1,749 (2024)
ID: 169196
|
Municipal | Municipal Government Within County |
Contact: CITY ADMINISTRATOR
212 EAST 2ND ST, MILAN MO 63556
|
|
GUS Population: 570 (2024)
ID: 129615
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 235, GREEN CITY MO 63545-0235
|
|
CITY OF GREENCASTLE
GUS Population: 209 (2024)
ID: 208655
|
Municipal | Municipal Government Within County |
Contact: GREEN CASTLE CITY CLERK
PO BOX 58, GREEN CASTLE MO 63544-0058
|
|
CITY OF NEWTOWN
GUS Population: 110 (2024)
ID: 129616
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 87, NEWTOWN MO 64667-0087
|
|
TOWN OF HUMPHREYS
GUS Population: 88 (2024)
ID: 169195
|
Municipal | Municipal Government Within County |
Contact: CHAIRMAN
PO BOX 13, GALT MO 64641
|
|
CITY OF HARRIS
GUS Population: 59 (2024)
ID: 107733
|
Municipal | Municipal Government Within County |
Contact: MAYOR
239 2ND ST, HARRIS MO 64645-8194
|
|
VILLAGE OF POLLOCK
GUS Population: 44 (2024)
ID: 225822
|
Municipal | Municipal Government Within County |
Contact: CHAIR CITY COUNCIL
PO BOX 409, 606 2ND ST, POLLOCK MO 63560
|
|
VILLAGE OF OSGOOD
GUS Population: 22 (2024)
ID: 129617
|
Municipal | Municipal Government Within County |
Contact: TREASURER
109 N MAIN ST, SUITE 5, MILAN MO 63556-1369
|