New vienna is located in Clinton county Ohio with a geographic area of 0.8 square miles. The total population in New vienna is 1,194 with 53.2% male and 46.8% female. Children under age 5 represent 5.2% of the population, under age 18 equal 25.0% of the population and over age 65 is 9.4% of the population. The median household income is $46,675, per capita income is $24,659. There are a total of 501 housing units with 59.1% owner occupied. Education includes 55.1% of residents that are high school graduates and 7.2% with a bachelor's degree or higher. The average temperature in New vienna in the summer is 73 degrees, and in the winter 32 degrees.