Hamer is a city in Jefferson County, Idaho, home to about 59 people across 0.2 square miles. It has no ZIP code of its own: it’s part of 83425.
Part is in Hamer
We’re writing up Hamer’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Boise Air Terminal/Gowen Field (BOI)203 miles away |
|---|---|
| Closer regional airport | Idaho Falls Regional Airport (IDA)29 miles away |
| Nearest city of 250,000+ | Denver, CO473 miles away |
| Nearest city of 1 million+ | Phoenix, AZ715 miles away |
Straight-line distances from the center of Hamer; 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.
Hamer had 83 residents in the 2020 census, up 592% since 2000.
It’s the 220th largest of 232 towns in Idaho by population.
Jefferson County grew from 9,441 residents in 1920 to 30,891 in 2020.
Jefferson County, 1920–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 89°F in summer, and winter lows average 7°F. About 8.8 inches of rain and melted snow fall in a typical year, with about 20 inches of snow.
Source: NOAA 1991–2020 climate normals, Hamer 4 Nw, ID weather station (5 miles away).
5,599 jobs at 739 businesses in Jefferson County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Public schools here are run by West Jefferson District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Hamer Elementary SchoolHamer | K–4 | 39 | Public | 1.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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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.