Location of Geronimo, Oklahoma
Geronimo is located at (34.481471, -98.383621).
According to the United States Census Bureau, the town has a total area of 1.5 square miles (3.9 km2), all of it land.
As of the census of 2010, there were 1,268 people, 451 households, and 340 families residing in the town. The population density was 835.7 people per square mile (322.6/km²). There were 533 housing units at an average density of 350 per square mile (135.6/km²). The racial makeup of the town was 67.0% White, 3.6% African American, 13.9% Native American, 1.7% Asian, 0.1% Pacific Islander, 4.9% from other races, and 8.8% from two or more races.Hispanic or Latino of any race were 11.2% of the population.
There were 451 households out of which 37.7% had children under the age of 18 living with them, 53.9% were married couples living together, 16.6% had a female householder with no husband present, and 24.6% were non-families. 21.7% of all households were made up of individuals and 6.3% had someone living alone who was 65 years of age or older. The average household size was 2.81 and the average family size was 3.22.
In the town the population was spread out with 30.4% under the age of 18, 8.3% from 18 to 24, 30.0% from 25 to 44, 21.4% from 45 to 64, and 10.0% who were 65 years of age or older. The median age was 31.5 years. For every 100 females there were 90.4 males. For every 100 females age 18 and over, there were 88.3 males.
According to the 2000 census, the median income for a household in the town was $28,583, and the median income for a family was $30,833. Males had a median income of $29,375 versus $19,063 for females. The per capita income for the town was $11,236. About 13.7% of families and 13.5% of the population were below the poverty line, including 8.4% of those under age 18 and 28.9% of those age 65 or over.