Cromwell is located in Noble county Indiana with a geographic area of 0.3 square miles. The total population in Cromwell is 479 with 54.7% male and 45.3% female. Children under age 5 represent 10.6% of the population, under age 18 equal 29.4% of the population and over age 65 is 9.8% of the population. The median household income is $37,125, per capita income is $17,723. There are a total of 183 housing units with 47.0% owner occupied. Education includes 46.4% of residents that are high school graduates and 8.2% with a bachelor's degree or higher. The average temperature in Cromwell in the summer is 73 degrees, and in the winter 29 degrees.