Letha is a community in Gem County, Idaho, home to about 109 people across 0.5 square miles. Its ZIP code is 83636.
Homes sold for a median of $214 per square foot in the three months ending August 2026.
Each card is that ZIP code’s whole market, including any part outside Letha. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Boise Air Terminal/Gowen Field (BOI)31 miles away |
|---|---|
| Nearest city of 250,000+ | Portland, OR316 miles away |
| Nearest city of 1 million+ | Los Angeles, CA689 miles away |
Straight-line distances from the center of Letha; 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.
It’s the 211th largest of 232 towns in Idaho by population.
Gem County grew from 6,427 residents in 1920 to 19,123 in 2020.
Gem County, 1920–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 92°F in summer, and winter lows average 23°F. About 13.4 inches of rain and melted snow fall in a typical year, with about 7 inches of snow.
Source: NOAA 1991–2020 climate normals, Emmett 2 E, ID weather station (9 miles away).
3,801 jobs at 510 businesses in Gem 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.
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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.