North blenheim is located in Schoharie county New york with a geographic area of 0.5 square miles. The total population in North blenheim is 27 with 25.9% male and 74.1% female. Children under age 5 represent 0.0% of the population, under age 18 equal 22.2% of the population and over age 65 is 33.3% of the population. The median household income is $50,625, per capita income is $29,370. There are a total of 15 housing units with 100.0% owner occupied. Education includes 93.3% of residents that are high school graduates and 6.7% with a bachelor's degree or higher. The average temperature in North blenheim in the summer is 70 degrees, and in the winter 27 degrees.