According to the 2020 U.S. Census, Union City had a population of **26,244**. The city has grown substantially over recent decades as suburban expansion spread through south Fulton County.
Union City is widely recognized as a diverse community within metro Atlanta. Public census reporting indicates a population with a large African American majority, along with Hispanic or Latino residents, White residents, and smaller Asian and multiracial populations. This diversity is reflected in local schools, churches, businesses, and community life.
### Population characteristics - **Growth:** Long-term growth has been tied to Atlanta-area suburbanization and housing development. - **Age structure:** Like many suburbs, the city includes families with children, working-age adults, and a growing older adult population. - **Gender:** No unusual imbalance is widely reported in standard census summaries. - **Languages:** English is the dominant public language, with Spanish and other languages also present in households. - **Education:** Educational attainment generally reflects a mix of high school graduates, some college attendance, and degree holders typical of a diverse suburban workforce. - **Employment:** Many residents work in services, transportation, logistics, retail, healthcare, education, and airport-related sectors across the metro region.
### Income and social conditions Detailed current local figures for median household income, poverty, and employment breakdown vary by source and year. Union City includes both middle-income neighborhoods and households facing affordability pressures common in the Atlanta region.
_Data not readily available for this location._