Is the 656th largest community in California. Much of the housing stock in Westwood was built prior to World War II, making it one of the older and more historic towns in the country. Westwood is neither predominantly blue-collar nor white-collar, instead having a mixed workforce of both blue-collar and white-collar jobs. The people who call Westwood home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Westwood residents report their race to be White, followed by Native American. Important ancestries of people in Westwood include English, Irish, Scottish, and European. The most common language spoken in Westwood is English. Other important languages spoken here include West Germanic languages and African languages.