Merriam is located in Johnson county Kansas with a geographic area of 4.3 square miles. The total population in Merriam is 11,191 with 50.3% male and 49.7% female. Children under age 5 represent 4.8% of the population, under age 18 equal 18.3% of the population and over age 65 is 16.6% of the population. The median household income is $63,347, per capita income is $35,601. There are a total of 5,261 housing units with 56.7% owner occupied. Education includes 16.3% of residents that are high school graduates and 43.9% with a bachelor's degree or higher. The average temperature in Merriam in the summer is 78 degrees, and in the winter 32 degrees.
