Delta is the largest city in Millard County, Utah, United States. It is located in the northeastern area of Millard County along the Sevier River and is surrounded by farmland. The population was 3,622 at the 2020 census.

Official town website ↗

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

How Delta ranks

All →

#3Highest graduation rate in UT #4Most affordable in UT #2Most library borrowing in UT All UT rankings →

Town numbers

ZIP code84624

Area code435

Living in Delta

Housing in Delta

$351K▲ 3.2% in a year Typical home value · Zillow

The typical Delta home is worth about $351,000, up 3.2% in a year, 34% below the Utah typical home.

Zillow Home Value Index · Redfin Data CenterHousing market →

Health in Delta

Health Grade B

Healthier than 58% of U.S. towns on seven CDC estimates.

Compared with Utah

1better than UT·15worse

of 32 measures CDC estimates. The other 16 are too close to call.

Conditions 8▼ 4 close Habits 2▼ 2 close Care 1▲ 1▼ 5 close Mind 2▼ 3 close Everyday needs 2▼ 2 close

BetterToo close to callWorse

What stands out

71.8%More adults treating high blood pressureUT 65.6% · better 6.7%More adults with COPDUT 4.6% · worse

Care nearby

Intermountain Health Delta Community HospitalDelta · 2.4 mi · ER · rural critical access

Fourpoints Health - Kanosh ClinicFillmore · 38.7 mi · sliding-scale fees

Primary careNo shortage

DentalShortage · county-wide

Mental healthShortage · county-wide

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

Natural hazards in Delta

Low

Expected storm and flood damage is higher than in 28% of U.S. communities.

🏚️ Earthquakes🌊 Inland flooding🔥 Wildfire

12Does Delta flood?paid flood claims since 1983 NoneDisasters that paid out hereof 9 declared for Millard County

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Delta →

Climate in Delta

Full climate →

Delta has chilly winters and hot summers, with very little rain. A typical July afternoon reaches 95°, a January night drops to 17°, and about 25 inches of snow falls in a normal winter.

42° / 18°Winter

65° / 35°Spring

91° / 56°Summer

67° / 35°Fall

How much snow does Delta get?About 25 inches a winter.Rain & snow →When is the first frost?Around Sep 29, with the last in spring around May 16.Frost dates →Is it warmer than it used to be?+1.0° vs. the 20th century.Then & now →

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

Schools in Delta

All Delta schools →

A⁻

School Grade A-

The public schools Delta’s kids attend, from kindergarten through graduation, outperform 78% of Utah’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.

#58Best public schoolsof 117 in UT

DistrictMillard DistrictSchools4

Delta North School A-Elementary · Grades 2–4 · 427 students Delta South SchoolElementary · Grades PK–1 · 315 students Delta Middle B+Middle · Grades 5–8 · 613 students Delta High C-High · Grades 9–12 · 592 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 UT. Ratings are from neighbors.