Union Gap, Washington Demographics & Population 2026
During the 2020–2024 ACS period, Union Gap, Washington had a total population of 6,584, the 169th largest city in Washington, with a median household income of $59,651, which is 39% lower than the state average. The poverty rate is 13.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 39% below the state average, indicating significant economic challenges.
- Only 4.4% of adults have a bachelor's degree, well below the national average of 35.7%.
- Unemployment rate of 13.5% is notably above the national average.
Union Gap Quick Facts
How Union Gap Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 6,511 | 6,584 | +1.1% |
| Median household income | $58,958 | $59,651 | +1.2% |
| Median home value | $186,200 | $210,600 | +13.1% |
How Union Gap Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 56 | National average: 61
Education
Educational Attainment (Adults 25+)
Union Gap Rankings in Washington
Explore Washington Rankings
Other Cities in Yakima County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Yakima | 96,961 | $62,815 | 16.6% | $297,600 |
| Sunnyside | 16,277 | $60,923 | 18.5% | $240,700 |
| Grandview | 11,187 | $61,106 | 17.9% | $265,300 |
| Terrace Heights | 10,041 | $83,016 | 14.4% | $377,300 |
| Toppenish | 8,723 | $67,854 | 18.0% | $230,000 |
| Selah | 8,437 | $74,783 | 13.9% | $414,600 |
| Moxee | 4,625 | $100,512 | 7.8% | $362,800 |
| Wapato | 4,538 | $52,019 | 24.5% | $185,100 |
| Ahtanum | 3,777 | $96,149 | 2.6% | $337,500 |
| Granger | 3,705 | $66,250 | 23.3% | $210,200 |
Cities Similar to Union Gap
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Ocean Shores | 7,302 | $58,202 | $383,500 | 23.4% | 12.3% |
| North Fort Lewis | 6,337 | $70,114 | N/A | 27.4% | 12.5% |
| Clarkston | 7,191 | $54,152 | $253,500 | 16.9% | 20.7% |
| Woodland | 6,487 | $81,193 | $438,800 | 13.6% | 12.8% |
| Prosser | 6,305 | $76,985 | $314,000 | 23.3% | 16.8% |
Population Overview
Union Gap is a small city located in Washington, within Yakima County. The total population is 6,584. It ranks as the 169th most populous out of 628 Census-designated places in Washington.
Age Demographics
The median age in Union Gap is 34.5 years. This is 10% lower than the state median of 38.3 years.
Economy, Income & Housing
The median household income in Union Gap is $59,651. This is 39% lower than the state median of $98,141. It is also 26% lower than the national median of $80,734. The poverty rate stands at 13.8%. This is 39% higher than the state poverty rate of 9.9%. The unemployment rate is 13.5%. This is 164% higher than the state rate of 5.1%. The median home value is $210,600. Housing costs are 63% lower than the state median of $564,600. The home-value-to-income ratio is 3.5x. 61.7% of occupied housing units are owner-occupied. This homeownership rate is 3% lower than the state average of 63.8%.
Race & Ethnicity
The largest racial or ethnic group in Union Gap is Hispanic or Latino, making up 57.6% of the population. White (non-Hispanic) residents account for 34.2%. The Hispanic or Latino population is significantly higher than the state average (57.6% vs 14.4%). The Asian population (2.7%) is well below the state average of 9.7%.
Education
4.4% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 89% lower than the state rate of 39.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 68.2%.
Data Sources & Methodology
All demographic data for Union Gap, Washington is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Washington state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 628 Census-designated places in Washington. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Union Gap, Washington?
Union Gap, Washington has a population of 6,584 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Union Gap, WA?
The median household income in Union Gap is $59,651, which is 26% lower than the national median of $80,734.
What is the poverty rate in Union Gap, WA?
The poverty rate in Union Gap is 13.8%. This means approximately 888 residents live below the federal poverty line.
What is the racial makeup of Union Gap, Washington?
Union Gap's population is 34.2% White, 0.0% Black, 57.6% Hispanic/Latino, and 2.7% Asian.
What is the median home value in Union Gap, WA?
The median home value in Union Gap is $210,600. The home-value-to-income ratio is 3.5x.
How educated is Union Gap, Washington?
4.4% of adults (25+) in Union Gap hold a bachelor's degree or higher, and 1.0% hold a graduate or professional degree.