Gilliam County, Oregon
Gilliam 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: 1,971 (2024)
ID: 111584
|
County | Official County Government |
Contact: COUNTY COURT
PO BOX 427, CONDON OR 97823-0427
|
|
GUS Population: 701 (2024)
ID: 173651
|
Municipal | Municipal Government Within County |
Contact: CITY ADMINISTRATOR
PO BOX 445, CONDON OR 97823-0445
|
|
CITY OF ARLINGTON
GUS Population: 620 (2024)
ID: 193961
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 68, ARLINGTON OR 97812-0068
|
|
CITY OF LONEROCK
GUS Population: 21 (2024)
ID: 133214
|
Municipal | Municipal Government Within County |
Contact: CITY CLERK
104 SE MAIN ST, CONDON OR 97823
|