Union Gap is a city in Yakima County, Washington, United States. The population was 6,568 at the 2020 census. Union Gap has become the retail hub for the entire Yakima Valley as a result of Valley Mall and other thriving businesses being located here. Part of the city is within the Yakama Nation.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

How Union Gap ranks

All →

#6Most affordable in WA #13Lowest property tax in WA #18Shortest commute in WA All WA rankings →

Town numbers

ZIP codeSign in to add

Area code509

Living in Union Gap

Housing in Union Gap

$260K≈ same as a year ago Typical home value · Zillow

The typical Union Gap home is worth about $260,000, about the same as a year ago, 56% below the Washington typical home.

Only 4 sales in May 2026, too few for a market read. The typical value is the steadier guide.

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Union Gap

D⁻

Safety Grade D-

Union Gap reports more crime per resident than most U.S. towns we grade: about 97% report less.

Violent crime per 1,000

Union Gap 1.1

Washington 2.9

U.S. 3.3

Property crime per 1,000

Union Gap 61.5

Washington 20.2

U.S. 15.5

FBI crime data, 2025 · crimes reported to policeCrime & safety →

Work & commute in Union Gap

Full picture →

Most working residents leave Union Gap for work: only 9% work in town. The top destinations are Yakima (44%), Selah (2%) and Seattle (2%). Half commute less than 5 miles.

Yakima

44%

Selah

Seattle

Wapato

9%Work in townlive and work in Union Gap 5 miWhere do people commute?the commute map 4,979Jobs based herea job hub

Census LEHD 2023 · ACSWork & commute in Union Gap →

Health in Union Gap

C⁻

Health Grade C−

Healthier than 25% of U.S. towns on seven CDC estimates.

Compared with Washington

1better than WA·16worse

of 26 measures CDC estimates. The other 9 are too close to call.

Conditions 1▲ 6▼ 5 close Habits 2▼ 2 close Care 5▼ 2 close Mind 3▼ 0 close

BetterToo close to callWorse

What stands out

6.2%Fewer adults who have had cancerWA 7.9% · better 21.6%More uninsured adultsWA 8.4% · worse

Care nearby

Astria Toppenish HospitalToppenish · 15.1 mi · ER

Behavioral Health ServicesYakima · 1.6 mi · sliding-scale fees

Primary careShortage · county-wide

DentalShortage · county-wide

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Union Gap · CMS · HRSAHealth in Union Gap →

Natural hazards in Union Gap

Moderate

Expected storm and flood damage is higher than in 58% of U.S. communities.

🏚️ Earthquakes🌊 Inland flooding🥶 Cold waves

3Does Union Gap flood?paid flood claims since 1996 NoneDisasters that paid out hereof 35 declared for Yakima County MapUnion Gap vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Union Gap →

Climate in Union Gap

Full climate →

Union Gap has chilly winters and warm summers, with very little rain. A typical July afternoon reaches 90°, a January night drops to 25°, and about 20 inches of snow falls in a normal winter.

42° / 26°Winter

65° / 39°Spring

86° / 55°Summer

64° / 38°Fall

How much snow does Union Gap get?About 20 inches a winter.Rain & snow →When is the first frost?Around Oct 4, with the last in spring around May 8.Frost dates →Is it warmer than it used to be?+1.2° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Union Gap →

Schools in Union Gap

All Union Gap schools →

C⁻

School Grade C-

The public schools Union Gap’s kids attend, from kindergarten through graduation, trail 82% of Washington’s districts on state tests and graduation. Among towns with similar incomes, they rank near the bottom.

DistrictUnion Gap School DistrictSchools3

Union Gap SchoolElementary · Grades PK–8 · 558 students Martin Luther King Jr ElementaryElementary · Grades K–5 · 485 students La Salle High SchoolHigh · Grades 9–12 · 203 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within WA. Ratings are from neighbors.