Mikkalo is an unincorporated community in Gilliam County, Oregon, United States, at an elevation of 1470feet.[1] Mikkalo is about 4miles northwest of Clem. Mikkalo has a post office, serving ZIP code of 97861, and is in the 541 area code region.[2] In 1905, the place was named for settler John Mikkalo, and a post office opened at Mikkalo in 1907.[3] It was along the Condon Branch of the Union Pacific Railroad.[4] The Mikkalo Farmers Elevator had a fire on March 28, 1921.[5]
This region experiences warm (but not hot) and dry summers, with no average monthly temperatures above 71.6F. According to the Köppen Climate Classification system, Mikkalo has a warm-summer Mediterranean climate, abbreviated "Csb" on climate maps.[6]