Irwin is a city in Bonneville County, Idaho, United States. It is part of the Idaho Falls, Idaho Metropolitan Statistical Area. The population was 259 at the 2020 census, and 219 at the 2010 census.

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

Town numbers

ZIP code83428

Area code208

Living in Irwin

Housing in Irwin

$423K▲ 2.4% in a year Typical home value · Zillow

The typical Irwin home is worth about $423,000, up 2.4% in a year, 12% below the Idaho typical home.

Only 1 sale in May 2026, too few for a market read. The typical value is the steadier guide.

Zillow Home Value Index · Redfin Data CenterHousing market →

Work & commute in Irwin

Full picture →

Most working residents leave Irwin for work: only 0% work in town. The top destinations are Idaho Falls (45%), Ammon (8%) and Rexburg (7%). Half commute less than 37 miles.

Idaho Falls

45%

Ammon

Rexburg

Boise City

0%Work in townlive and work in Irwin 37 miWhere do people commute?the commute map 82Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Irwin →

Health in Irwin

Compared with Idaho

14better than ID·5worse

of 32 measures CDC estimates. The other 13 are too close to call.

Conditions 1▲ 5▼ 6 close Habits 1▲ 3 close Care 6▲ 1 close Mind 2▲ 3 close Everyday needs 4▲ 0 close

BetterToo close to callWorse

What stands out

7.8%Fewer older adults who have lost all their teethID 16.2% · better 5.9%Fewer uninsured adultsID 10.7% · better 11.7%More adults who have had cancerID 8.3% · worse

Care nearby

Teton Valley HospitalDriggs · 24 mi · ER · rural critical access

Grand Peaks Medical, Behavioral Health, Pharmacy-Idaho FallsIdaho Falls · 36.1 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthShortage · county-wide

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

Natural hazards in Irwin

High

Expected storm and flood damage is higher than in 78% of U.S. communities.

🏔️ Avalanches🌊 Inland flooding🔥 Wildfire

0Does Irwin flood?no paid flood claims on record NoneDisasters that paid out hereof 5 declared for Bonneville County

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

Climate in Irwin

Full climate →

Irwin has cold winters and pleasant summers, with very little rain. A typical July afternoon reaches 83°, a January night drops to 10°.

31° / 12°Winter

54° / 28°Spring

79° / 45°Summer

57° / 29°Fall

Does it ever freeze?In about 100% of years.Frost →Is it warmer than it used to be?+1.2° vs. the 20th century.Then & now →

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

Schools in Irwin

All Irwin schools →

School Grade A

The public schools Irwin’s kids attend outperform 92% of Idaho’s districts on state tests. Among towns with similar incomes, they rank near the top.

DistrictSWAN VALLEY ELEMENTARY DISTRICTSchools1

Swan Valley Elementary School AElementary · Grades PK–8 · 55 students

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