Doniphan is located in Ripley county Missouri with a geographic area of 1.4 square miles. The total population in Doniphan is 2,467 with 37.5% male and 62.5% female. Children under age 5 represent 3.9% of the population, under age 18 equal 24.8% of the population and over age 65 is 19.3% of the population. The median household income is $28,977, per capita income is $17,204. There are a total of 873 housing units with 59.5% owner occupied. Education includes 28.6% of residents that are high school graduates and 17.5% with a bachelor's degree or higher. The average temperature in Doniphan in the summer is 76 degrees, and in the winter 32 degrees.
