Culdesac is located in Nez perce county Idaho with a geographic area of 0.2 square miles. The total population in Culdesac is 376 with 49.7% male and 50.3% female. Children under age 5 represent 11.4% of the population, under age 18 equal 20.7% of the population and over age 65 is 16.5% of the population. The median household income is $41,250, per capita income is $19,701. There are a total of 153 housing units with 62.7% owner occupied. Education includes 35.3% of residents that are high school graduates and 17.6% with a bachelor's degree or higher. The average temperature in Culdesac in the summer is 59 degrees, and in the winter 24 degrees.