Walla Walla County, Washington
Walla Walla 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: 62,068 (2024)
ID: 114610
|
County | Official County Government |
Contact: COUNTY COMMISSIONER
PO BOX 1506, WALLA WALLA WA 99362-0316
|
|
GUS Population: 33,901 (2024)
ID: 187889
|
Municipal | Municipal Government Within County |
Contact: DEVELOPMENT SERVICES DEPARTMENT
55 E MOORE ST, WALLA WALLA WA 99362
|
|
GUS Population: 9,846 (2024)
ID: 176888
|
Municipal | Municipal Government Within County |
Contact: FINANCE DIRECTOR / CITY CLERK
625 S COLLEGE AVE, COLLEGE PLACE WA 99324-1516
|
|
GUS Population: 1,173 (2024)
ID: 176889
|
Municipal | Municipal Government Within County |
Contact: CITY ADMINISTRATOR
PO BOX 35, WAITSBURG WA 99361-0035
|
|
CITY OF PRESCOTT
GUS Population: 364 (2024)
ID: 136135
|
Municipal | Municipal Government Within County |
Contact: CLERK TREAS
PO BOX 27, PRESCOTT WA 99348-0027
|