Jamestown is located in Bienville county Louisiana with a geographic area of 1.8 square miles. The total population in Jamestown is 107 with 54.2% male and 45.8% female. Children under age 5 represent 6.5% of the population, under age 18 equal 17.8% of the population and over age 65 is 12.1% of the population. The median household income is $56,458, per capita income is $28,819. There are a total of 54 housing units with 85.2% owner occupied. Education includes 40.7% of residents that are high school graduates and 29.6% with a bachelor's degree or higher. The average temperature in Jamestown in the summer is 81 degrees, and in the winter 51 degrees.