Castaic is a medium-sized town located in the state of California. With a population of 18,937 people and seven associated neighborhoods, Castaic is the 330th largest community in California.

Housing costs in Castaic are among some of the highest in the nation, although real estate prices here don't compare to real estate prices in the most expensive communities in California.

Of important note, Castaic is also a town of artists. Castaic has more artists, designers and people working in media than 90% of the communities in America. This concentration of artists helps shape Castaic’s character.

Also of interest is that Castaic has more people living here who work in computers and math than 95% of the places in the US.

One interesting thing about the economy is that relatively large numbers of people worked from their home: 10.60% of the workforce. While this number may seem small overall, as a fraction of the total workforce this is high compared to the rest of the county. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

Because of many things, Castaic is a great place for families with children to consider. First of all, many other families with children live here, making Castaic a place where both parents and children are more likely to develop social ties with other families, as well as find family-oriented services and community. The town’s good public school district and large population of college-educated adults provide an environment conducive to academic values. With regard to real estate, Castaic has a high rate of owner-occupied single family homes, which tends to reflect stability in the local community. Finally, Castaic’s overall crime rate is lower than average for the country.

In Castaic, however, the average commute to work is quite long. On average, people spend 33.07 minutes each day getting to work, which is significantly higher than the national average.

Castaic is one of the most well-educated cities in the nation. 40.72% of adults in Castaic have at least a bachelor's degree. Compare that to the average community in America, which has just 21.84% with a bachelor's degree or higher.

The per capita income in Castaic in 2022 was $47,984, which is upper middle income relative to California, and wealthy relative to the rest of the US. This equates to an annual income of $191,936 for a family of four.

Castaic is an extremely ethnically-diverse town. The people who call Castaic home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Castaic residents report their race to be White, followed by Asian. Castaic also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 34.64% of the town’s residents. Important ancestries of people in Castaic include German, English, Irish, European, and Italian.

Castaic also has a high percentage of its population that was born in another country: 21.11%.

The most common language spoken in Castaic is English. Other important languages spoken here include Spanish and Tagalog.