Ralston is a town in Pawnee County, Oklahoma, United States. The population was 355 at the 2000 census.
Ralston is located at 36°30′10″N 96°44′1″W / 36.50278°N 96.73361°W / 36.50278; -96.73361 (36.502866, -96.733746). According to the United States Census Bureau, the town has a total area of 0.5 square miles (1.2 km²), all of it land.
As of the census of 2000, there were 355 people, 141 households, and 97 families residing in the town. The population density was 767.1 people per square mile (298.0/km²). There were 178 housing units at an average density of 384.6 per square mile (149.4/km²). The racial makeup of the town was 84.23% White, 0.28% African American, 11.83% Native American, 0.28% Asian, and 3.38% from two or more races. Hispanic or Latino of any race were 0.85% of the population.