Ammon is a city in Bonneville County, Idaho, home to about 19,064 people across 7.6 square miles. Its ZIP code is 83406, and parts of 83401 are in Ammon too.
Homes sold for a median of $177 per square foot in the three months ending August 2026, a seller’s market.
Mostly Ammon
Mostly Idaho Falls; part is in Ammon
Each card is that ZIP code’s whole market, including any part outside Ammon. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Ammon’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Salt Lake City International Airport (SLC)187 miles away |
|---|---|
| Closer regional airport | Idaho Falls Regional Airport (IDA)6 miles away |
| Nearest city of 250,000+ | Denver, CO447 miles away |
| Nearest city of 1 million+ | Phoenix, AZ685 miles away |
Straight-line distances from the center of Ammon; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Ammon had 17,694 residents in the 2020 census, up 186% since 2000.
It’s the 15th largest of 232 towns in Idaho by population.
Bonneville County grew from 17,501 residents in 1920 to 123,964 in 2020.
Bonneville County, 1920–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 16°F. About 13.6 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Idaho Falls - Kifi, ID weather station (4 miles away).
63,119 jobs at 4,197 businesses in Bonneville County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
184 doctors and other health care providers list an office in Ammon.
Nearest hospitals
Providers with an office here
| Primary care doctors | 8 |
|---|---|
| Specialist doctors | 6 |
| Dentists | 13 |
| Nurse practitioners and physician assistants | 35 |
| Mental health providers | 84 |
| Physical and occupational therapists | 23 |
| Optometrists | 6 |
| Chiropractors | 9 |
| Pharmacies | 11 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (6 nearby)
Grocery stores (2 nearby)
Pharmacies (3 nearby)
Libraries
Museums
Theaters and performance venues
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1888.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Bonneville Joint District, Monticello Montessori Charter School Inc., White Pine Charter School Inc.. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Ammon Elementary SchoolAmmon | Pre-K–6 | 303 | Public | 1.7 mi |
| Hillview Elementary SchoolAmmon | Pre-K–6 | 417 | Public | 1.6 mi |
| Monticello Montessori Charter SchoolAmmon | Pre-K–8 | 185 | Charter | 2.6 mi |
| Mountain Valley Elementary SchoolAmmon | Pre-K–6 | 398 | Public | 1.2 mi |
| Rimrock ElementaryAmmon | Pre-K–6 | 533 | Public | 1.2 mi |
| Woodland Hills ElementaryAmmon | Pre-K–6 | 507 | Public | 2.6 mi |
| White Pine Charter SchoolAmmon | K–12 | 651 | Charter | 1.3 mi |
| Sandcreek Middle SchoolIdaho Falls | 7–8 | 592 | Public | 1.8 mi |
| Hillcrest High SchoolAmmon | 9–12 | 1,230 | Public | 2.0 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Acorn Childrens AcademyAmmon | Pre-K–K | 5 | Nonsectarian | 1.5 mi |
| Snake River Montessori SchoolAmmon | Pre-K–6 | 62 | Nonsectarian | 1.3 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Idaho Falls, Lincoln and Ucon.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.