Monroe is a city in Walton County, Georgia, United States. It is located both 1 hour east of Atlanta via US-78 and GA-138 to I-20 westbound and east of Hartsfield Jackson Int'l Airport and is part 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.

source