Vacaville is a larger medium-sized city located in the state of California. With a population of 101,918 people and 22 associated neighborhoods, Vacaville is the 74th largest community in California.

Housing costs in Vacaville 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.

There are many members of the armed forces living in Vacaville. You will notice when you visit or live here that some of the people you meet or see around town are employed by the armed services - even if they are not always in uniform.

Also of interest is that Vacaville 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: 9.69% 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.

The overall education level of Vacaville is somewhat higher than in the average US city of 21.84%: 26.35% of adults 25 and older in the city have at least a bachelor's degree.

The per capita income in Vacaville in 2022 was $44,147, 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 $176,588 for a family of four. However, Vacaville contains both very wealthy and poor people as well.

Vacaville is an extremely ethnically-diverse city. The people who call Vacaville home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Vacaville residents report their race to be White, followed by Asian. Vacaville also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 26.10% of the city’s residents. Important ancestries of people in Vacaville include European, German, Irish, English, and Italian.

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