Unionville is an unincorporated community and census-designated place (CDP) in Tift County, Georgia, United States.

[6] According to the United States Census Bureau, the CDP has a total area of 0.8 square miles (2.1 km2), all land.

In the 1950 U.S. Census, Unionville was part of the census-defined Unionville-Phillipsburg unincorporated place with population of 2,770.

[16] As of the 2020 United States census, there were 1,688 people, 651 households, and 318 families residing in the CDP.

In 2010, Unionville had the 17th-lowest median household income of all places in the United States with a population over 1,000.