Kingston is a town in Marshall County, Oklahoma, United States. The population was 1,601 at the 2010 census.
As of the census of 2000, there were 1,390 people, 552 households, and 381 families residing in the town. The population density was 791.8 people per square mile (304.9/km²). There were 629 housing units at an average density of 358.3 per square mile (138.0/km²). The racial makeup of the town was 78.56% White, 0.14% African American, 14.68% Native American, 0.95% Asian, 1.80% from other races, and 4.75% from two or more races. Hispanic or Latino of any race were 4.39% of the population.
Kingston and the surrounding area (towns of Madill and Oakland) has a large Hispanic community due to a large influx of immigration attracted to the area’s manufacturing jobs. But the United States Hispanic Chamber of Commerce places a new estimate at over 10 percent.
There were 552 households out of which 35.0% had children under the age of 18 living with them, 51.6% were married couples living together, 12.9% had a female householder with no husband present, and 30.8% were non-families. 27.7% of all households were made up of individuals and 15.4% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.94.