Umatilla County Flag

Umatilla County

State:
Oregon
County Seat:
Pendleton

Umatilla County's estimated 2025 population is 81,110 with a growth rate of 0.77% in the past year according to the most recent United States census data. Umatilla County is the 14th largest county in Oregon. The 2010 population was 76,093 and has seen a growth of 6.59% since that time.

81,110
Total Population
25
Population Density (mi²)
14
Population Rank (State)
619 0.77%
Annual Population Growth

Umatilla County Population

Demographics

Economics and Income Statistics

Sources

  1. City and Town Population Totals: 2020-2024
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)