The population density was 986.7 people per square mile (380.5/km2). There were 500 housing units at an average density of 427.9 per square mile (165.0/km2). The racial makeup of the town was 76.06% White, 1.21% African American, 15.61% Native American, 0.09% Asian, 1.21% from other races, and 5.81% from two or more races. Hispanic or Latino of any race were 1.82% of the population. There were 449 households out of which 34.1% had children under the age of 18 living with them, 50.6% were married couples living together, 12.2% had a female householder with no husband present, and 30.5% were non-families. 28.3% 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 2.57 and the average family size was 3.10. In the town, the population was spread out with 29.3% under the age of 18, 9.1% from 18 to 24, 25.0% from 25 to 44, 22.4% from 45 to 64, and 14.2% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 93.5 males. For every 100 females age 18 and over, there were 92.2 males. The median income for a household in the town was $27,050, and the median income for a family was $35,417. Males had a median income of $28,438 versus $18,750 for females. The per capita income for the town was $12,917. About 10.2% of families and 15.7% of the population were below the poverty line, including 17.5% of those under age 18 and 22.3% of those age 65 or over. Enrollment in the Mounds public school district serves about 840 pupils. The district's overall student/teacher ratio is 14.5:1. There are 2 schools associated with the agency, which is classified as being in or near a rural area. Mounds allocates approximately $2,854 per pupil for instructional expenses. Mounds is the site of the ACT Observatory, a small astronomical observatory maintained by the Astronomy Club of Tulsa.