Antioch is a relatively large city located in the state of California. With a population of 118,453 people and 21 associated neighborhoods, Antioch is the 55th largest community in California.

Housing costs in Antioch 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.

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

Telecommuters are a relatively large percentage of the workforce: 12.70% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. 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.

One downside of living in Antioch is that it can take a long time to commute to work. In Antioch, the average commute to work is 37.72 minutes, which is quite a bit higher than the national average. On the other hand, local public transit is widely used in the city, so leaving the car at home and taking transit is often a viable alternative.

For the size of the city, public transportation in Antioch is quite heavily used. Mostly, people who use it for their daily commute are taking the subway. For Antioch, the benefits are reduced air pollution and congestion on the highways.

The education level of Antioch citizens is a little higher than the average for US cities and towns: 23.92% of adults in Antioch have at least a bachelor's degree.

The per capita income in Antioch in 2022 was $41,008, which is middle income relative to California, and upper middle income relative to the rest of the US. This equates to an annual income of $164,032 for a family of four. However, Antioch contains both very wealthy and poor people as well.

Antioch is an extremely ethnically-diverse city. The people who call Antioch home describe themselves as belonging to a variety of racial and ethnic groups. People of Hispanic or Latino origin are the most prevalent group in Antioch, accounting for 35.58% of the city’s residents (people of Hispanic or Latino origin can be of any race). The greatest number of Antioch residents report their race to be White, followed by Black or African-American. Important ancestries of people in Antioch include German, Irish, English, Italian, and Portuguese.

Foreign born people are also an important part of Antioch's cultural character, accounting for 24.64% of the city’s population.

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