OR · CountyMarion County, Oregon20 cities in the directoryCitiesCityPopulationRegionAumsville4,216—Aurora1,122—Detroit189—Donald1,013—Gates487—Gervais2,571—Hubbard3,402—Idanha157—Jefferson3,296—Keizer39,152—Mill City2,128—Mt. Angel3,436—Salem180,406—Scotts Mills417—Silverton10,391—St. Paul426—Stayton8,521—Sublimity2,879—Turner2,414—Woodburn30,449—