High Quality Content by WIKIPEDIA articles! Ochelata is a town in Washington County, Oklahoma, United States. The population was 494 at the 2000 census. As of the census of 2000, there were 494 people, 175 households, and 131 families residing in the town. The population density was 2,018.0 people per square mile (794.7/km²). There were 188 housing units at an average density of 768.0/sq mi (302.4/km²). The racial makeup of the town was 72.27% White, 18.83% Native American, 1.01% from other races, and 7.89% from two or more races. Hispanic or Latino of any race were 1.42% of the population.