Woodacre is an unincorporated town and census-designated place (CDP) located in the San Geronimo Valley in Marin County, California. Woodacre is located 8 miles (13 km) south-southwest of Novato, at an elevation of 364 feet (111 m). The population was 1,393 at the 2000 census.
As of the census of 2000, there were 1,393 people, 548 households, and 381 families residing in the CDP. The population density was 763.6 people per square mile (295.5/km²). There were 570 housing units at an average density of 312.5/sq mi (120.9/km²). The racial makeup of the CDP was 94.40% White, 0.43% African American, 0.36% Native American, 0.93% Asian, 1.72% from other races, and 2.15% from two or more races. Hispanic or Latino of any race were 4.31% of the population.
There were 548 households out of which 34.3% had children under the age of 18 living with them, 55.3% were married couples living together, 11.3% had a female householder with no husband present, and 30.3% were non-families. 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. The average household size was 2.54 and the average family size was 2.90.
In the CDP the population was spread out with 23.0% under the age of 18, 3.7% from 18 to 24, 25.8% from 25 to 44, 38.8% from 45 to 64, and 8.7% who were 65 years of age or older. The median age was 44 years. For every 100 females there were 92.1 males. For every 100 females age 18 and over, there were 88.2 males.
The median income for a household in the CDP was $62,917, and the median income for a family was $71,250. Males had a median income of $50,109 versus $40,167 for females. The per capita income for the CDP was $31,996. About 3.9% of families and 6.6% of the population were below the poverty line, including 8.4% of those under age 18 and none of those age 65 or over.