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 2026 population of 200. Union is currently declining at a rate of -11.89% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median age in Union is 71.7 years: 72.5 years for males, and 71.2 years for females. For every 100 females there are 100.4 males.

200
Total Population
123
Density (mi²)
-27 -11.89%
Growth

Union Population

Union Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026200-27-11.89%
2025227-27-10.63%

Median Age

Overall: 71.7 years
Female: 71.2 years
Male: 72.5 years

Union Adults

There are 431 adults, (332 of whom are seniors) in Union.

Sex Ratio

Female: 228 (49.9%)
Male: 229 (50.1%)

Demographics

The racial composition of Union includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White457100%
Race
Population ↓
Percentage (of total)
White457100%

Union Marital Status

Nearby Cities

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)