Hazleton is located in Buchanan county Iowa with a geographic area of 0.8 square miles. The total population in Hazleton is 766 with 54.8% male and 45.2% female. Children under age 5 represent 4.7% of the population, under age 18 equal 18.3% of the population and over age 65 is 24.3% of the population. The median household income is $45,000, per capita income is $29,359. There are a total of 318 housing units with 78.3% owner occupied. Education includes 45.6% of residents that are high school graduates and 8.8% with a bachelor's degree or higher. The average temperature in Hazleton in the summer is 70 degrees, and in the winter 23 degrees.