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. Much of the housing stock in Union City was built relatively recently. The construction of new real estate can often be taken as an indication that the local Union City economy is robust, and that jobs or other amenities are attracting an influx of new residents. This seems to be the case in Union City, where the median household income is $46,696.00.

Telecommuters are a relatively large percentage of the workforce: 9.45% 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 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.