Tushka is a town in Atoka County, Oklahoma, United States. The population was 312 at the 2010 census, a decline of 9.6 percent from 345 at the 2000 census.
As of the census of 2000, there were 345 people, 139 households, and 94 families residing in the town. The population density was 479.2 people per square mile (185.0/km²). There were 162 housing units at an average density of 225.0 per square mile (86.9/km²). The racial makeup of the town was 72.46% White, 19.71% Native American, 0.29% from other races, and 7.54% from two or more races. Hispanic or Latino of any race were 2.03% of the population.
There were 139 households out of which 32.4% had children under the age of 18 living with them, 48.2% were married couples living together, 15.8% had a female householder with no husband present, and 31.7% were non-families. 28.1% of all households were made up of individuals and 13.7% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 3.03.
In the town the population was spread out with 27.5% under the age of 18, 12.5% from 18 to 24, 27.2% from 25 to 44, 20.3% from 45 to 64, and 12.5% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 98.3 males. For every 100 females age 18 and over, there were 95.3 males.
The median income for a household in the town was $17,404, and the median income for a family was $26,250. Males had a median income of $18,438 versus $15,357 for females. The per capita income for the town was $10,547. About 19.8% of families and 17.5% of the population were below the poverty line, including 23.9% of those under age 18 and 16.7% of those age 65 or over.