Union City is a medium-sized city located in the state of Georgia. With a population of 27,895 people and eight associated neighborhoods, Union City is the 42nd largest community in Georgia. Union City has seen a significant amount of newer housing growth in recent years. Quite often, new home construction is the result of new residents moving in who are middle class or wealthier, attracted by jobs, a healthy local economy, or other amenities as they leave nearby or far away areas for greener pastures. This seems to be the case in Union City, where the median household income is $46,696.00.

A relatively large number of people in Union City telecommute to their jobs. Overall, about 9.45% 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.

The overall education level of Union City is somewhat higher than in the average US city of 21.84%: 28.91% of adults 25 and older in the city have at least a bachelor's degree.

The per capita income in Union City in 2022 was $26,549, which is middle income relative to Georgia, and lower middle income relative to the rest of the US. This equates to an annual income of $106,196 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 Black or African-American, followed by White. Important ancestries of people in Union City include African, English, Nigerian, Jamaican, and Irish.

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