Temelec (Miwok: Tamuleko)[3][4] is a census-designated place (CDP) in Sonoma County, California, United States.

Located at 220 Temelec Circle, it was designated California Historical Landmark #237.

According to the United States Census Bureau, the CDP has a total area of 1.6 square miles (4.1 km2), all land.

The 2010 United States Census[6] reported that Temelec had a population of 1,441.

513 households (53.4%) were made up of individuals, and 398 (41.5%) had someone living alone who was 65 years of age or older.

There were 1,051 housing units at an average density of 661.8 per square mile (255.5/km2), of which 86.7% were owner-occupied and 13.3% were occupied by renters.

There were 1,045 housing units at an average density of 617.2 per square mile (238.3/km2).

47.1% of all households were made up of individuals, and 37.3% had someone living alone who was 65 years of age or older.

Federally, Temelec is in California's 4th congressional district, represented by Democrat Mike Thompson.