Waco is a city in Haralson County, Georgia, United States, located near the Alabama state line. The population was 516 at the 2010 census, up from 469 at the 2000 census.GeographyWaco is located in southern Haralson County at . It is bordered to the south and east by the city of Bremen. U.S. Route 78 passes through the center of town, leading east to the center of Bremen and northwest 7mi to Tallapoosa. Interstate 20 forms the southern border of Waco and provides access from Exit 9 . I-20 leads east to Atlanta and west to Birmingham, Alabama.According to the United States Census Bureau, Waco has a total area of 4.8km2, all land.DemographicsAs of the census of 2000, there were 469 people, 189 households, and 130 families residing in the city. The population density was 291.4 people per square mile (112.5/km²). There were 203 housing units at an average density of 126.1 per square mile (48.7/km²). The racial makeup of the city was 97.01% White, 1.49% African American, 0.43% Native American, 0.85% from other races, and 0.21% from two or more races.