Union City is a very small borough located in the state of Pennsylvania. With a population of 2,857 people and two associated neighborhoods, Union City is the 505th largest community in Pennsylvania. Much of the housing stock in Union City was built prior to World War II, making it one of the older and more historic boroughs in the country.

A relatively large number of people in Union City telecommute to their jobs. Overall, about 8.03% 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.

It is a fairly quiet borough because there are relatively few of those groups of people who have a tendency to be noisy. (Children, for example, often can't help themselves from being noisy, and being parents ourselves, we know!) Union City has relatively few families with children living at home, and is quieter because of it. Renters and college students, for their own reasons, can also be noisy. Union City has few renters and college students. But the biggest reason it is quieter in Union City than in most places in America, is that there are just simply fewer people living here. If you think trees make good neighbors, Union City may be for you.

Being a small borough, Union City does not have a public transit system used by locals to get to and from work.

In terms of college education, the citizens of Union City rank slightly lower than the national average. 13.15% of adults 25 and older in Union City have a bachelor's degree or advanced degree, while 21.84% of adults have a 4-year degree or higher in the average American community.

The per capita income in Union City in 2022 was $24,935, which is low income relative to Pennsylvania and the nation. This equates to an annual income of $99,740 for a family of four. However, Union City contains both very wealthy and poor people as well.

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 White. Important ancestries of people in Union City include English, German, Irish, Italian, and Polish.

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