Plainville is a city located in Gordon County, Georgia.

There were 102 housing units at an average density of 172.8 per square mile (66.7/km2).

The racial makeup of the city was 97.67% White, 0.39% Native American, and 1.95% from two or more races.

21.4% of all households were made up of individuals, and 7.1% had someone living alone who was 65 years of age or older.

About 16.3% of families and 18.1% of the population were below the poverty line, including 31.6% of those under the age of eighteen and 16.7% of those 65 or over.