Greenbrier is located in Faulkner county Arkansas with a geographic area of 7.9 square miles. The total population in Greenbrier is 5,592 with 50.6% male and 49.4% female. Children under age 5 represent 10.3% of the population, under age 18 equal 31.5% of the population and over age 65 is 11.3% of the population. The median household income is $49,420, per capita income is $24,084. There are a total of 2,143 housing units with 64.4% owner occupied. Education includes 33.4% of residents that are high school graduates and 17.7% with a bachelor's degree or higher. The average temperature in Greenbrier in the summer is 78 degrees, and in the winter 37 degrees.
