Tucker is a city located in DeKalb County, Georgia, United States, located near Atlanta and was originally settled in the 1820s, and later developed as a railroad community in 1892. According to the 2016 United States Census Bureau annual estimate of resident population, it has a population of 35,322. In a November 2015 referendum, by a 3:1 margin (73.94%), voters approved incorporating Tucker into a city. In March 2016, Tucker residents elected the city's first mayor and city council.

DeKalb County is located in the north central portion of the U.S. state of Georgia. As of the 2020 census, the population was 764,382, making it Georgia's fourth-most populous county. Its county seat is Decatur.