Spring lake is located in Cumberland county North carolina with a geographic area of 23.6 square miles. The total population in Spring lake is 12,093 with 51.9% male and 48.1% female. Children under age 5 represent 10.2% of the population, under age 18 equal 24.8% of the population and over age 65 is 5.8% of the population. The median household income is $39,898, per capita income is $22,040. There are a total of 4,423 housing units with 20.9% owner occupied. Education includes 24.9% of residents that are high school graduates and 26.7% with a bachelor's degree or higher. The average temperature in Spring lake in the summer is 75 degrees, and in the winter 38 degrees.