Bancroft is a city in Caribou County, Idaho, home to about 250 people across 0.6 square miles. Its ZIP code is 83217.
Homes sold for a median of $52 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 Bancroft. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Salt Lake City International Airport (SLC)134 miles away |
|---|---|
| Closer regional airport | Pocatello Regional Airport (PIH)40 miles away |
| Nearest city of 250,000+ | Denver, CO415 miles away |
| Nearest city of 1 million+ | Phoenix, AZ632 miles away |
Straight-line distances from the center of Bancroft; 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.
Bancroft had 299 residents in the 2020 census, down 22% since 2000.
It’s the 182nd largest of 232 towns in Idaho by population.
Caribou County grew from 2,191 residents in 1920 to 7,027 in 2020.
Caribou 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 14°F. About 18.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Lava Hot Springs, ID weather station (11 miles away).
2,064 jobs at 196 businesses in Caribou County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Bancroft.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|
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.
Public schools here are run by North Gem District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| North Gem ElementaryBancroft | Pre-K–6 | 82 | Public | 2.3 mi |
| North Gem Middle SchoolBancroft | 6–8 | 26 | Public | 2.3 mi |
| North Gem High SchoolBancroft | 7–12 | 42 | Public | 2.3 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.