Centrally located at the intersection of U.S. Highways 77 and 79, Rockdale is in south-central Milam County. It was named in 1894 by Mrs. B.F. Ackerman whose husband had sold the International-Great Northern Railroad most of the acreage for the townsite.
Recreational opportunities abound including hunting, fishing, and boating in the rolling Central Texas hills. Ten acres of public parks, public swimming pool and tennis courts also provide recreation. Valhalla Farms, one of three sanctioned training tracks in Texas, is located just north of the city for horse racing enthusiasts.
Rockdale was home to George Sessions Perry who published numerous novels. Rockdale presently hosts the Rockdale Christmas Ball annually the first Saturday in December which features western swing music by members of the original Bob Wills Texas Playboys.