Dubois is a city in Clark County, Idaho, home to about 585 people across 2.7 square miles. Its ZIP code is 83423.
Homes sold for a median of $147 per square foot in the three months ending August 2026, a buyer’s market.
Each card is that ZIP code’s whole market, including any part outside Dubois. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Dubois’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)199 miles away |
|---|---|
| Closer regional airport | Idaho Falls Regional Airport (IDA)48 miles away |
| Nearest city of 250,000+ | Denver, CO489 miles away |
| Nearest city of 1 million+ | Phoenix, AZ733 miles away |
Straight-line distances from the center of Dubois; 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.
Dubois had 511 residents in the 2020 census, down 21% since 2000.
It’s the 135th largest of 232 towns in Idaho by population.
Clark County grew from 1,886 residents in 1920 to 790 in 2020.
Clark County, 1920–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 15°F. About 12.2 inches of rain and melted snow fall in a typical year, with about 47 inches of snow.
Source: NOAA 1991–2020 climate normals, Dubois Exp Stn, ID weather station (7 miles away).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Public schools here are run by Clark County District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Lindy Ross Elementary SchoolDubois | Pre-K–5 | 48 | Public | 4.9 mi |
| Clark County Jr./Sr. High SchoolDubois | 6–12 | 43 | Public | 4.8 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.