Plumas County is a county located in the Sierra Nevada of the U.S. state of California. As of the 2020 census, the population was 19,790. The county seat is Quincy, and the only incorporated city is Portola. The largest community in the county is East Quincy. The county was named for the Spanish Río de las Plumas, which flows through it. The county itself i…
Plumas County is a county located in the Sierra Nevada of the U.S. state of California. As of the 2020 census, the population was 19,790. The county seat is Quincy, and the only incorporated city is Portola. The largest community in the county is East Quincy. The county was named for the Spanish Río de las Plumas, which flows through it. The county itself is also the namesake of a native moth species, Hadena plumasata.
Country: United States
State: California
Region: Sierra Nevada
Incorporated: March 18, 1854
Named for: Spanish words for the Feather River (Río de las Plumas)
County seat: Quincy
Largest community: East Quincy (population) · Warner Valley (area) · Portola (incorporated)
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