Union Flag

Union

County:
Mason County
County Seat:
No
Area (mi²):
1.624
State:
Washington

Union is a CDP located in Mason County, Washington. Union has a 2025 population of 350. Union is currently declining at a rate of -4.89% annually but its population has increased by 7.03% since the most recent census, which recorded a population of 327 in 2020.

The average household income in Union is $98,656 with a poverty rate of 0%.The median age in Union is 65.6 years: 69.8 years for males, and 64.8 years for females.

350
Total Population
216
Density (mi²)
-18 -4.89%
Growth

Union Population

Demographics

Economics and Income Statistics

Sources

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