Woodacre is an unincorporated town and census-designated place (CDP) in Marin County, California, United States.

[5] The community is located at 38°00′46″N 122°38′43″W / 38.01278°N 122.64528°W / 38.01278; -122.64528[4] in the eastern half of the San Geronimo Valley of central Marin County.

At 364 feet (111 m), Woodacre has the highest base elevation in Marin County.

[4] According to the United States Census Bureau, the CDP has a total area of 1.8 square miles (4.7 km2), all of it land.

163 households (27.4%) were made up of individuals, and 44 (7.4%) had someone living alone who was 65 years of age or older.

There were 639 housing units at an average density of 355.7 per square mile (137.3/km2), of which 74.6% were owner-occupied and 25.4% were occupied by renters.

There were 570 housing units at an average density of 312.5 per square mile (120.7/km2).

The racial makeup of the CDP inj 2010 was 88.0% non-Hispanic White, 0.2% non-Hispanic African American, 0.1% Native American, 2.0% Asian, 0.3% Pacific Islander, 0.3% from other races, and 3.3% from two or more races.

19.5% of all households were made up of individuals, and 4.4% had someone living alone who was 65 years of age or older.