Sully County, South Dakota
Sully 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 |
|---|---|---|---|
|
GUS Population: 1,468 (2024)
ID: 112966
|
County | Official County Government |
Contact: CHAIRMAN
PO BOX 265, ONIDA SD 57564-0265
|
|
GUS Population: 644 (2024)
ID: 134601
|
Municipal | Municipal Government Within County |
Contact: FINANCE OFFICER
PO BOX 72, ONIDA SD 57564-0072
|
|
TOWN OF AGAR
GUS Population: 68 (2024)
ID: 175116
|
Municipal | Municipal Government Within County |
Contact: FINANCE OFFICER
PO BOX 123, AGAR SD 57520
|