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.

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 and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	2,830	43.46%
Two or more races	1,615	24.8%
Other race	1,445	22.19%
Native American	355	5.45%
Asian	266	4.09%

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