Around the turn of the 20th century, a small crossroads community called Frog Wallow was developing in southeast Burke County.

With the construction of the Savannah & Atlanta Railway, the tiny town lay on the new railroad connecting the two large hubs.

[4][5] The church's name, in turn, is a transfer from Sardis, an ancient city in present-day Turkey.

Then, in 1962, the owner of the railroad (Central of Georgia) abandoned the section of tracks between Waynesboro and Sylvania, which negatively affected the local economy.

As of the 2020 United States census, there were 995 people, 328 households, and 198 families residing in the city.