Blairsden is a census-designated place (CDP) in Plumas County, California, United States. Blairsden is located east-southeast of Quincy. It is located on the Feather River Route. The population was 38 at the 2020 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 (39.777736, -120.616367).
According to the United States Census Bureau, the CDP has a total area of , all of it land.
Blairsden first appeared as a census designated place in the 2000 U.S. census.
The 2020 United States census reported that Blairsden had a population of 38. The population density was . The racial makeup of Blairsden was 34 (89%) White and 4 (11%) from two or more races. Hispanic or Latino of any race were 2 persons (5%).
There were 18 households, of which 15 were families and 2 were one person. The average household size was 2.11.
The age distribution was 2 people (5%) under the age of 18, 15 people (39%) aged 18 to 64, and 21 people (55%) who were 65years of age or older. The median age was 72.2years. There were 20 males and 18 females.
There were 31 housing units, of which 18 (58.1%) were occupied, 16 by owners and 2 by renters.
In the state legislature Blairsden is located in , and .
Federally, Blairsden is in .
The school district is Plumas Unified School District.