ZIP code · Klamath Falls · Oregon · United States
ZIP code 97603 — Klamath Falls
ZIP code 97603 serves Klamath Falls, Oregon.
- Postal code
- 97603Single source Value from one source, not cross-checked.
- City
- Klamath Falls
- County
- Klamath FIPS 41035
- State
- Oregon
- Country
- United States
- Coordinates
- 42.1919, -121.7241 — precision precise (locality)
View on OpenStreetMap - Population
- 32,212 (ZCTA, ACS 5-year)
- Population density
- 95 / sq mi
- Land area
- 340.6 sq mi (882.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $64,272
- Per-capita income
- $31,973
- Median age
- 39
- Households
- 12,929
- Housing units
- 13,568
- Median home value
- $251,100
- Median gross rent
- $987 / month
- Congressional district
- OR-2 (119th Congress)
- USDA hardiness zone
- 6b (-5 to 0 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
Tools: compare 97603 with another ZIP · ZIPs within 25 miles · distance from 97603
Map of ZIP code 97603
Climate — monthly normals
Warmest month Jul (avg high 86°F), coldest Dec (avg low 21°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 42 | 46 | 52 | 58 | 67 | 76 | 86 | 85 | 78 | 64 | 49 | 40 |
| Avg low °F | 22 | 24 | 27 | 29 | 36 | 41 | 48 | 47 | 39 | 31 | 25 | 21 |
| Precip in | 1.5 | 1.1 | 1.0 | 1.1 | 1.0 | 0.7 | 0.2 | 0.3 | 0.3 | 0.7 | 1.4 | 1.8 |
NOAA 1991–2020 climate normals from the nearest station: KLAMATH FALLS INTL AP (3.1 mi) · NOAA NCEI
Places in ZIP 97603
- 13 schools
- 1 colleges & universities
- 2 doctors & dentists
- 1 pharmacies
- 6 supermarkets
- 33 restaurants & cafés
- 1 bars & pubs
- 11 parks
- 3 playgrounds
- 2 gyms & sports centres
- 1 post offices
- 14 places of worship
- 7 banks
- 10 gas stations
- 2 EV charging stations
- 2 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page