New madrid is located in New madrid county Missouri with a geographic area of 4.5 square miles. The total population in New madrid is 2,863 with 52.1% male and 47.9% female. Children under age 5 represent 4.7% of the population, under age 18 equal 14.9% of the population and over age 65 is 23.6% of the population. The median household income is $41,445, per capita income is $22,046. There are a total of 1,307 housing units with 52.7% owner occupied. Education includes 43.2% of residents that are high school graduates and 16.3% with a bachelor's degree or higher. The average temperature in New madrid in the summer is 78 degrees, and in the winter 32 degrees.