Blairsden is a census-designated place (CDP) in Plumas County, California, United States. Blairsden is located 20 miles (32.2 km) east-southeast of Quincy. The population was 39 at the 2010 census, down from 50 at the 2000 census.
The Blairsden post office opened in 1913. The name honors James A. Blair, a financier of the Western Pacific Railroad.
Blairsden is located at 39°46′40″N 120°36′59″W / 39.77778°N 120.61639°W / 39.77778; -120.61639 (39.777736, -120.616367).