Jefferson County Post Offices

25453 SW Forest Service Rd
Camp Sherman, Oregon 97730

200 W C St
Culver, Oregon 97734

73 SE 6th St
Madras, Oregon 97741

8080 11th St
Terrebonne, Oregon 97760

2128 Warm Springs Rd
Warm Springs, Oregon 97761

Jefferson County

There are 5 US Post Offices in Jefferson County serving a total of 25,694 residents equating to 5,139 residents per post office. It's estimated that approximately 41,010 packages are handled across the 5 county post offices annually. Jefferson County is a county located in the U.S. state of Oregon. As of the 2010 census, the population was 21,720. The county seat is Madras. The county is named after Mount Jefferson."