Poplar bluff is located in Butler county Missouri with a geographic area of 13.1 square miles. The total population in Poplar bluff is 16,979 with 47.7% male and 52.3% female. Children under age 5 represent 7.6% of the population, under age 18 equal 24.4% of the population and over age 65 is 19.2% of the population. The median household income is $35,603, per capita income is $20,461. There are a total of 6,566 housing units with 48.7% owner occupied. Education includes 38.2% of residents that are high school graduates and 13.8% with a bachelor's degree or higher. The average temperature in Poplar bluff in the summer is 78 degrees, and in the winter 32 degrees.