The Medford – Klamath Falls metro area in the state of Oregon is home to zip code 97603. Klamath County is the primary location of zip code 97603. KLAMATH FALLS, Oregon is the designated name for 97603 by the US Postal Service. Parts of zip code 97603 are located inside or close to the borders of Altamont, Klamath Falls, and Merrill in Oregon. The zip code 97603’s area code is 541. In comparison to other zipcodes in Oregon, 97603 can be categorised socioeconomically as a Lower Middle Class class.

The county unemployment rate is currently 7.2%, lower than the state unemployment rate of 3.7%, and higher than the current national unemployment rate of 3.9%. The current unemployment rate in 97603 is 5.1%. 

The 2010 US Census shows that over the previous ten years, the population of 97603 increased from 28552 to 29525. White people make up the majority of both the population in 97603 and the students enrolled in its public schools. In the public schools serving the 97603 zip code, 63.9 percent of students participate in or are eligible for free or reduced lunch programmes.