New hartford is located in Butler county Iowa with a geographic area of 0.6 square miles. The total population in New hartford is 789 with 54.9% male and 45.1% female. Children under age 5 represent 4.7% of the population, under age 18 equal 33.7% of the population and over age 65 is 16.0% of the population. The median household income is $53,214, per capita income is $19,233. There are a total of 278 housing units with 68.3% owner occupied. Education includes 47.8% of residents that are high school graduates and 19.8% with a bachelor's degree or higher. The average temperature in New hartford in the summer is 72 degrees, and in the winter 23 degrees.
