Manly is located in Worth county Iowa with a geographic area of 1.4 square miles. The total population in Manly is 1,480 with 47.9% male and 52.1% female. Children under age 5 represent 4.9% of the population, under age 18 equal 24.9% of the population and over age 65 is 16.8% of the population. The median household income is $66,964, per capita income is $29,174. There are a total of 591 housing units with 75.5% owner occupied. Education includes 27.1% of residents that are high school graduates and 20.3% with a bachelor's degree or higher. The average temperature in Manly in the summer is 70 degrees, and in the winter 23 degrees.