Altamont is a community in Klamath County, Oregon, home to about 19,927 people across 8.1 square miles. Its ZIP code is 97603.
Homes sold for a median of $205 per square foot in the three months ending August 2026, a balanced market.
Mostly Altamont; also Klamath Falls and Falcon Heights
Each card is that ZIP code’s whole market, including any part outside Altamont. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Altamont’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Reno Tahoe International Airport (RNO)212 miles away |
|---|---|
| Closer regional airport | Rogue Valley International-Medford Airport (MFR)60 miles away |
| Nearest city of 250,000+ | Reno, NV207 miles away |
| Nearest city of 1 million+ | Los Angeles, CA592 miles away |
Straight-line distances from the center of Altamont; 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.
Altamont had 20,233 residents in the 2020 census, up 3% since 2000.
It’s the 34th largest of 420 towns in Oregon by population.
Klamath County grew from 3,970 residents in 1900 to 69,413 in 2020.
Klamath County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 21°F. About 11.1 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Klamath Falls Intl Ap, OR weather station (3 miles away).
16,763 jobs at 1,516 businesses in Klamath County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
149 doctors and other health care providers list an office in Altamont.
Nearest hospitals
Providers with an office here
| Primary care doctors | 7 |
|---|---|
| Specialist doctors | 5 |
| Dentists | 24 |
| Nurse practitioners and physician assistants | 18 |
| Mental health providers | 62 |
| Physical and occupational therapists | 16 |
| Optometrists | 2 |
| Chiropractors | 15 |
| Pharmacies | 8 |
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.
Parks (7 nearby)
Grocery stores (5 nearby)
Pharmacies
Libraries
Museums
Theaters and performance venues
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Klamath County SD, Klamath Falls City Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Falcon HeightsKlamath Falls | K–12 | 279 | Alternative Education | 3.2 mi |
| Ferguson Elementary SchoolKlamath Falls | K–6 | 524 | Public | 0.6 mi |
| Henley Elementary SchoolKlamath Falls | K–6 | 493 | Public | 3.3 mi |
| Klamath Home Learning AcademyKlamath Falls | K–8 | 45 | Public | 2.3 mi |
| Peterson Elementary SchoolKlamath Falls | K–6 | 573 | Public | 0.3 mi |
| Shasta Elementary SchoolKlamath Falls | K–6 | 505 | Public | 1.4 mi |
| Stearns Elementary SchoolKlamath Falls | K–6 | 354 | Public | 0.9 mi |
| Brixner Junior High SchoolKlamath Falls | 7–8 | 396 | Public | 0.6 mi |
| Henley Middle SchoolKlamath Falls | 7–8 | 413 | Public | 3.0 mi |
| Henley High SchoolKlamath Falls | 9–12 | 720 | Public | 3.2 mi |
| Klamath Learning CenterKlamath Falls | 9–12 | 180 | Alternative Education | 2.3 mi |
| Mazama High SchoolKlamath Falls | 9–12 | 690 | Public | 0.7 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Crosspoint Christian SchoolKlamath Falls | Pre-K–12 | 331 | Christian (no specific denomination) | 0.9 mi |
| New Horizon Christian SchoolKlamath Falls | Pre-K–8 | 110 | Christian (no specific denomination) | 1.3 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 Klamath Falls and Falcon Heights.
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.