County
· Washington
Walla Walla County
Walla Walla County is a county located in the southeast of the U.S. state of Washington. As of the 2020 census, its population was 62,584. The county seat and most populous city is Walla Walla. The county was formed on April 25, 1854 and is named after the Walla Walla tribe of Native Americans.
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Cities and towns 4
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 114610
- FIPS state
- 53
- FIPS county
- 071
- FIPS place
- 99071
- Census record name
- COUNTY OF WALLA WALLA
- Mailing address
- PO BOX 1506, WALLA WALLA 99362