Skip to content
civism

Umatilla County

Umatilla County — County in the United States.

County

Population

81,119

Estimate for July 1, 2025

Population
YearPopulation
202079,892
202179,748
202279,792
202380,157
202480,958
202581,119

US Census Bureau, Population Estimates Program, Vintage 2025

Election administration

Election administration
Measure202420222020
Precincts454545
Polling places11—
Election Day polling places111
Early-voting polling places—1—

US Election Assistance Commission, Election Administration and Voting Survey (EAVS)