Zip Code 97603 — Klamath Falls, OR
97603 is a ZIP Code associated with Klamath Falls, OR, located within Klamath. The postal region supports an estimated population of 33,222 residents across Data Pending housing units, with a population density of 37.7 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (42.137040, -121.677660)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 97603 |
| Primary City | Klamath Falls |
| State / Province | OR |
| County | Klamath |
| Total Population | 33,222 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 37.7 people/sq mi |
| Timezone | America/Los_Angeles |
How 97603 Compares
| Metric | ZIP 97603 | Klamath County | OR State Average |
|---|
| Population | 33,222 | 68,333 | 4,254,259 |
| Median Income | Data Pending | N/A | N/A |
| Population Density | 37.7 /sq mi | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →