Brunswick is located in Chariton county Missouri with a geographic area of 1.2 square miles. The total population in Brunswick is 972 with 43.6% male and 56.4% female. Children under age 5 represent 7.5% of the population, under age 18 equal 23.6% of the population and over age 65 is 24.5% of the population. The median household income is $34,886, per capita income is $23,762. There are a total of 389 housing units with 49.9% owner occupied. Education includes 43.4% of residents that are high school graduates and 21.3% with a bachelor's degree or higher. The average temperature in Brunswick in the summer is 74 degrees, and in the winter 32 degrees.