Alpine County is a county in the eastern part of the U.S. state of California located within the Sierra Nevada on the state border with Nevada. As of the 2020 census, the population was 1,204, making it California's least populous county. The county seat and largest community is Markleeville.
Country: United States
State: California
Region: Sierra Nevada
Incorporated: March 16, 1864
Named for: Its location in the Sierra Nevada resembling the (Swiss) Alps
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