was built south of Macedonia Church in the late 1800s and continued until closed in 1929. Demographics Post offices were used to designate persons in the 1860 U.S. Federal Census. Williamsburg was in the census district south of Hunting Creek. The census districts north and south of Hunting Creek in Iredell County included the following post offices: Williamsburg, Union Grove, Houstonville, and Eagle Mills. Union Grove and Williamsburg would become part of Union Grove Township in 1868. Houstonville and Eagle Mills would become part of Eagle Mills Township. By the time of the U.S. Civil War, Union Grove would become largest town in this area. The following table shows the breakout of the population in June 1860: References Towns in Iredell County, North Carolina Towns in North Carolina