Pittsburg is located in Coos county New hampshire with a geographic area of square miles. The total population in Pittsburg is 823 with 54.4% male and 45.6% female. Children under age 5 represent 0.4% of the population, under age 18 equal 6.3% of the population and over age 65 is 38.6% of the population. The median household income is $53,438, per capita income is $32,256. There are a total of 450 housing units with 81.6% owner occupied. Education includes 41.1% of residents that are high school graduates and 16.0% with a bachelor's degree or higher. The average temperature in Pittsburg in the summer is 68 degrees, and in the winter 23 degrees.