Ammon is a suburb city in Bonneville County, Idaho, United States. As of the 2010 US Census, the population of Ammon was 13,816. By the 2020 census, Ammon's population had grown to 17,694. It lies directly to the east of Idaho Falls and to the west of the Ammon foothills, and is the second most populous city in the Idaho Falls metropolitan area. As of 2020, Ammon is the 15th most populous city in Idaho. It was one of the state's fastest growing cities from 2000 to 2010, experiencing a 123.3% growth rate based on the 2010 US Census.

Official town website ↗

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

How Ammon ranks

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#2Closest to a top hospital in ID #6Fewest smokers in ID #7Fewest uninsured in ID All ID rankings →

Town numbers

ZIP codeSign in to add

Area code208

Living in Ammon

Housing in Ammon

$418K▲ 1.7% in a year Typical home value · Zillow

The typical Ammon home is worth about $418,000, up 1.7% in a year, 13% below the Idaho typical home.

A seller's market

Buyer’sBalancedSeller’s

Days on market39

Sold in May24

Zillow Home Value Index · Redfin Data CenterHousing market →

Work & commute in Ammon

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Most working residents leave Ammon for work: only 10% work in town. The top destinations are Idaho Falls (50%), Rexburg (3%) and Pocatello (3%). Half commute less than 5 miles.

Idaho Falls

50%

Rexburg

Pocatello

Boise City

10%Work in townlive and work in Ammon 5 miWhere do people commute?the commute map 5,956Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Ammon →

Health in Ammon

Health Grade A

Healthier than 88% of U.S. towns on seven CDC estimates.

Compared with Idaho

17better than ID

of 32 measures CDC estimates. The other 15 are too close to call.

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

BetterToo close to callWorse

What stands out

9.9%Fewer older adults who have lost all their teethID 16.2% · better 5.2%Fewer adults with COPDID 6.6% · better

Care nearby

Mountain View HospitalIdaho Falls · 1.4 mi · ER

Grand Peaks Medical, Behavioral Health, Pharmacy-Idaho FallsIdaho Falls · 1.5 mi · sliding-scale fees

Primary careShortage · part of Ammon

DentalNo shortage

Mental healthShortage · county-wide

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

Natural hazards in Ammon

High

Expected storm and flood damage is higher than in 64% of U.S. communities.

🌊 Inland flooding🥶 Cold waves🏚️ Earthquakes

1Does Ammon flood?paid flood claims since 2006 NoneDisasters that paid out hereof 5 declared for Bonneville County

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

Climate in Ammon

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Ammon has cold, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 86°, a January night drops to 13°, and about 66 inches of snow falls in a normal winter.

32° / 14°Winter

57° / 32°Spring

82° / 49°Summer

59° / 32°Fall

How much snow does Ammon get?About 66 inches a winter.Rain & snow →When is the first frost?Around Sep 20, with the last in spring around May 23.Frost dates →Is it warmer than it used to be?+1.5° vs. the 20th century.Then & now →

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

Schools in Ammon

All Ammon schools →

School Grade B

The public schools Ammon’s kids attend, from kindergarten through graduation, outperform 64% of Idaho’s districts on state tests and graduation. Among towns with similar incomes, they sit near the middle.

#20Best public schoolsof 63 in ID

DistrictBONNEVILLE JOINT DISTRICTSchools13

Rimrock Elementary AElementary · Grades PK–6 · 533 students Woodland Hills Elementary AElementary · Grades PK–6 · 507 students Bridgewater Elementary School CElementary · Grades PK–6 · 480 students Hillview Elementary School B+Elementary · Grades PK–6 · 417 students Mountain Valley Elementary School B-Elementary · Grades PK–6 · 398 students Tiebreaker Elementary School C+Elementary · Grades PK–6 · 379 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 ID. Ratings are from neighbors.