Fort branch is located in Gibson county Indiana with a geographic area of 1.1 square miles. The total population in Fort branch is 3,381 with 50.4% male and 49.6% female. Children under age 5 represent 6.8% of the population, under age 18 equal 23.8% of the population and over age 65 is 14.0% of the population. The median household income is $62,125, per capita income is $27,479. There are a total of 1,423 housing units with 73.7% owner occupied. Education includes 33.9% of residents that are high school graduates and 21.6% with a bachelor's degree or higher. The average temperature in Fort branch in the summer is 73 degrees, and in the winter 29 degrees.