Petersburgh is located in RENSSELAER COUNTY New york with a geographic area of square miles. The total population in Petersburgh is 1,386 with 51.1% male and 48.9% female. Children under age 5 represent 3.3% of the population, under age 18 equal 17.0% of the population and over age 65 is 18.8% of the population. The median household income is $71,181, per capita income is $34,482. There are a total of 583 housing units with 87.7% owner occupied. Education includes 38.8% of residents that are high school graduates and 20.4% with a bachelor's degree or higher. The average temperature in Petersburgh in the summer is 70 degrees, and in the winter 27 degrees.