Union City is a larger medium-sized city located in the state of California. With a population of 66,196 people and 16 associated neighborhoods, Union City is the 128th largest community in California.

Housing costs in Union City 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 Union City has more people living here who work in computers and math than 95% of the places in the US.

A relatively large number of people in Union City telecommute to their jobs. Overall, about 18.59% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. 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.

In Union City, however, the average commute to work is quite long. On average, people spend 32.83 minutes each day getting to work, which is significantly higher than the national average.

The citizens of Union City are among the most well-educated in the nation: 45.14% 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 2022 was $57,977, which is upper middle income relative to California, and wealthy relative to the rest of the US. This equates to an annual income of $231,908 for a family of four. However, Union City contains both very wealthy and poor people as well.

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 20.20% of the city’s residents. Important ancestries of people in Union City include German, Irish, English, Portuguese, and Afghan.

Union City also has a high percentage of its population that was born in another country: 48.69%.

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