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

† county seat

Reference 1: Population (2010 Census).

Reference 2: † Weaverville, Hayfork, Lewiston, Douglas City, Junction City, Mad River, Round Valley Reservation[28] (partially in Mendocino County), Trinity Village, Burnt Ranch, Trinity Center, Hyampom, Coffee Creek and Ruth.

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