Washington County Flag

Washington County

State:
Utah
County Seat:
St. George

Washington County's estimated 2025 population is 213,151 with a growth rate of 2.5% in the past year according to the most recent United States census data. Washington County is the 5th largest county in Utah. The 2010 population was 138,397 and has seen a growth of 54.01% since that time.

213,151
Total Population
88
Population Density (mi²)
5
Population Rank (State)
5.2K 2.5%
Annual Population Growth

Washington 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)