Buffalo is located in Putnam county West virginia with a geographic area of 1.4 square miles. The total population in Buffalo is 1,061 with 46.3% male and 53.7% female. Children under age 5 represent 4.1% of the population, under age 18 equal 22.1% of the population and over age 65 is 21.7% of the population. The median household income is $50,568, per capita income is $23,838. There are a total of 381 housing units with 80.6% owner occupied. Education includes 49.3% of residents that are high school graduates and 14.7% with a bachelor's degree or higher. The average temperature in Buffalo in the summer is 69 degrees, and in the winter 32 degrees.