Seminole is located in Gaines county Texas with a geographic area of 3.8 square miles. The total population in Seminole is 7,683 with 50.8% male and 49.2% female. Children under age 5 represent 8.8% of the population, under age 18 equal 29.3% of the population and over age 65 is 13.8% of the population. The median household income is $58,344, per capita income is $25,028. There are a total of 2,487 housing units with 66.7% owner occupied. Education includes 33.5% of residents that are high school graduates and 16.2% with a bachelor's degree or higher. The average temperature in Seminole in the summer is 79 degrees, and in the winter 49 degrees.