Golconda is located in Pope county Illinois with a geographic area of 0.5 square miles. The total population in Golconda is 1,136 with 54.0% male and 46.0% female. Children under age 5 represent 2.0% of the population, under age 18 equal 12.0% of the population and over age 65 is 15.8% of the population. The median household income is $31,953, per capita income is $15,187. There are a total of 417 housing units with 47.5% owner occupied. Education includes 26.4% of residents that are high school graduates and 17.7% with a bachelor's degree or higher. The average temperature in Golconda in the summer is 74 degrees, and in the winter 27 degrees.