Cascade is a city in Valley County, Idaho, home to about 1,118 people across 4.1 square miles. Its ZIP code is 83611.
Homes sold for a median of $335 per square foot in the three months ending August 2026, a balanced market.
Mostly Cascade; also Smiths Ferry
Each card is that ZIP code’s whole market, including any part outside Cascade. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Cascade’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)83 miles away |
|---|---|
| Closer regional airport | McCall Municipal Airport (MYL)26 miles away |
| Nearest city of 250,000+ | Portland, OR346 miles away |
| Nearest city of 1 million+ | Los Angeles, CA752 miles away |
Straight-line distances from the center of Cascade; 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.
Cascade had 1,005 residents in the 2020 census, up 1% since 2000.
It’s the 95th largest of 232 towns in Idaho by population.
Valley County grew from 2,524 residents in 1920 to 11,746 in 2020.
Valley County, 1920–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 8°F. About 39.8 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Deadwood Lodge, ID weather station (16 miles away).
5,155 jobs at 747 businesses in Valley County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
20 doctors and other health care providers list an office in Cascade.
Nearest hospitals
Providers with an office here
| Primary care doctors | 3 |
|---|---|
| Specialist doctors | 1 |
| Nurse practitioners and physician assistants | 6 |
| Mental health providers | 5 |
| Physical and occupational therapists | 5 |
| Pharmacies | 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 Cascade District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Cascade Elementary SchoolCascade | Pre-K–5 | 103 | Public | 23.3 mi |
| Cascade Jr./Sr. High SchoolCascade | 6–12 | 112 | Public | 23.3 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Alzar SchoolCascade | 10–11 | 33 | Nonsectarian | 23.0 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 Smiths Ferry.
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.