District 4 includes the communities of Penn Valley, North San Juan, Rough & Ready, Lake Wildwood, Spenceville, and unincorporated areas along Highways 20 and 49.
District 5 includes the Town of Truckee, and the communities of Soda Springs, Washington, Graniteville, Hirschdale, Boca, Floriston, and unincorporated areas along Highways 49, 20, 89, and Interstate 80.