Mikkalo, Oregon

Mikkalo is an unincorporated community in Gilliam County, Oregon, United States, at an elevation of 1470 ft. Mikkalo is about 4 mi northwest of Clem. Mikkalo has a post office, serving ZIP code of 97861, and is in the 541 area code region. In 1905, the place was named for settler John Mikkalo, and a post office opened at Mikkalo in 1907. It was along the Condon Branch of the Union Pacific Railroad. The Mikkalo Farmers Elevator had a fire on March 28, 1921.

This region experiences warm (but not hot) and dry summers, with no average monthly temperatures above 71.6 F. According to the Köppen Climate Classification system, Mikkalo has a warm-summer Mediterranean climate, abbreviated "Csb" on climate maps.