Monroe is a city in Walton County, Georgia, United States. It is located both one hour east of Atlanta via US 78 and GA 138 to I-20 and east of Hartsfield–Jackson International Airport and is one of the exurban cities in the Atlanta metropolitan area. Monroe is also a city known for its accessibility to Conyers just 20 minutes away and Lawrenceville 35 minutes away. The population was 13,234 at the 2010 census and 13,673 at the 2019 estimates.
Monroe was founded in 1818 as seat of the newly formed Walton County. It was incorporated as a town in 1821 and as a city in 1896.
Monroe was the premier cotton producer in the state of Georgia during the 1900s. The two main cotton mills in Monroe used to be the driving economic force in the region. Now the mills no longer produce for the cotton industry, but rather serve as economic engines for the region by showcasing premiere antique markets, event space, and other unique retail.
In July 1946 the area was the site of the last mass lynching in the United States. A White mob attacked and killed two Black married couples who were driving through the area. The four people were pulled from their car and shot several times.
Monroe is in western Walton County.