Gas is located in Allen county Kansas with a geographic area of 0.7 square miles. The total population in Gas is 509 with 57.6% male and 42.4% female. Children under age 5 represent 4.9% of the population, under age 18 equal 11.2% of the population and over age 65 is 28.7% of the population. The median household income is $56,696, per capita income is $25,162. There are a total of 239 housing units with 72.4% owner occupied. Education includes 28.9% of residents that are high school graduates and 28.0% with a bachelor's degree or higher. The average temperature in Gas in the summer is 77 degrees, and in the winter 32 degrees.