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Asotin County, Washington

Asotin 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: 22,523 (2024)
ID: 176792
County Official County Government
Contact: CLERK OF BOARD
PO BOX 250, ASOTIN WA 99402-0250
GUS Population: 7,138 (2024)
ID: 176810
Municipal Municipal Government Within County
Contact: CLERK/TREASURER
829 5TH ST, CLARKSTON WA 99403-2696
GUS Population: 1,192 (2024)
ID: 202755
Municipal Municipal Government Within County
Contact: CITY CLERK / TREASURER
PO BOX 517, ASOTIN WA 99402-0517