Sierra County (California) chart of communities by population (2010 census)

† county seat

Reference 1: Population (2010 Census).

Reference 2: Loyalton, Sierra Brooks, † Downieville, Sierra City, Calpine, Sierraville, Verdi, Pike, Goodyears Bar, Alleghany and Sattley.

Source: http://en.wikipedia.org/wiki/Sierra_County,_California