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

† county seat

Reference 1: Population (2010 Census).

Reference 2: Rancho Calaveras, Arnold, Angels Camp, Copperopolis, Valley Springs, † San Andreas, Murphys, Mountain Ranch, Forest Meadows, West Point, Avery, Mokelumne Hill, Dorrington, Rail Road Flat, Vallecito and Wallace.

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