Monroe city is located in Knox county Indiana with a geographic area of 0.3 square miles. The total population in Monroe city is 1,027 with 44.4% male and 55.6% female. Children under age 5 represent 7.2% of the population, under age 18 equal 32.9% of the population and over age 65 is 8.1% of the population. The median household income is $57,917, per capita income is $25,161. There are a total of 371 housing units with 60.1% owner occupied. Education includes 39.6% of residents that are high school graduates and 10.8% with a bachelor's degree or higher. The average temperature in Monroe city in the summer is 73 degrees, and in the winter 29 degrees.