Zap is located in Mercer county North dakota with a geographic area of 1.0 square miles. The total population in Zap is 141 with 46.8% male and 53.2% female. Children under age 5 represent 10.6% of the population, under age 18 equal 23.4% of the population and over age 65 is 19.9% of the population. The median household income is $48,125, per capita income is $26,871. There are a total of 64 housing units with 79.7% owner occupied. Education includes 42.2% of residents that are high school graduates and 12.5% with a bachelor's degree or higher. The average temperature in Zap in the summer is 68 degrees, and in the winter 10 degrees.