Ravia is a town in Johnston County, Oklahoma, United States. The population was 459 at the 2000 census.Ravia is located at 34°14′30″N 96°45′20″W / 34.24167°N 96.75556°W / 34.24167; -96.75556.According to the United States Census Bureau, the town has a total area of 0.6 square miles, all of it land.As of the census of 2000, there were 459 people, 175 households, and 131 families residing in the town. The population density was 817.0 people per square mile. There were 201 housing units at an average density of 357.8 per square mile. The racial makeup of the town was 71.90% White, 17.43% Native American, 0.87% from other races, and 9.80% from two or more races. Hispanic or Latino of any race were 0.87% of the population.There were 175 households out of which 31.4% had children under the age of 18 living with them, 53.1% were married couples living together, 14.3% had a female householder with no husband present, and 25.1% were non-families. 23.