Union City is a larger medium-sized city located in the state of California. With a population of 67,039 people and 16 associated neighborhoods, Union City is the 128th largest community in California.

Union City home prices are not only among the most expensive in California, but Union City real estate also consistently ranks among the most expensive in America.

Also of interest is that Union City 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: 17.04% 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 Union City, however, is that residents on average have to contend with a long commute, spending on average 33.74 minutes every day commuting to work. However, local public transit is widely used. For those who would prefer to avoid driving entirely and leave their car at home, it may be an option to use the transit instead.

Although the majority of commuting trips in the city are by private automobile, Union City is somewhat unusual for a city of its size for having a substantial number of people who use public transportation. For a lot of people, the subway helps to get to and from their jobs every morning, which benefits everyone in the Union City area by reducing both traffic and air pollution.

The citizens of Union City are among the most well-educated in the nation: 44.95% of adults in Union City have a bachelor's degree or even advanced degree, whereas the average US city has 21.84% holding at least a bachelor's degree.

The per capita income in Union City in 2018 was $52,646, which is upper middle income relative to California, and wealthy relative to the rest of the US. This equates to an annual income of $210,584 for a family of four.

Union City is an extremely ethnically-diverse city. The people who call Union City home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Union City residents report their race to be Asian, followed by White. Union City also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 20.12% of the city’s residents. Important ancestries of people in Union City include Afghan, German, Irish, English, and Portuguese.

Foreign born people are also an important part of Union City's cultural character, accounting for 47.27% of the city’s population.

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