Union Gap Flag

Union Gap

County:
Kittitas County
County Seat:
No
Area (mi²):
5.577
State:
Washington

Union Gap is a city located in Kittitas County, Washington. Union Gap has a 2025 population of 6,365. Union Gap is currently declining at a rate of -0.58% annually and its population has decreased by -2.81% since the most recent census, which recorded a population of 6,549 in 2020.

The average household income in Union Gap is $70,253 with a poverty rate of 12.8%. The median age in Union Gap is 32.7 years: 33 years for males, and 31.8 years for females.

6.4K
Total Population
1,141
Density (mi²)
-37 -0.58%
Growth

Union Gap Population

Union Gap Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Union Gap includes 43.46% White, 22.19% other race, 5.45% Native American, 4.09% Asian, and smaller percentages for Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Native American

Asian

Black or African American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White2,83043.46%
Two or more races1,61524.8%
Other race1,44522.19%
Native American3555.45%
Asian2664.09%
Black or African American00%
Native Hawaiian or Pacific Islander00%

Union Gap Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Union Gap's average per capita income is $35,299. Household income levels show a median of $58,958. The poverty rate stands at 12.8%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$78,727-
Families$69,766$69,888
Households$58,958$70,253
Non Families$28,333$58,926

$35,299

Average Income

$58,958

Median Household Income

12.8%

Poverty Rate

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)