Princeton is located in Caldwell county Kentucky with a geographic area of 9.0 square miles. The total population in Princeton is 6,087 with 46.4% male and 53.6% female. Children under age 5 represent 7.1% of the population, under age 18 equal 28.7% of the population and over age 65 is 19.4% of the population. The median household income is $45,047, per capita income is $29,066. There are a total of 2,398 housing units with 62.4% owner occupied. Education includes 27.6% of residents that are high school graduates and 21.2% with a bachelor's degree or higher. The average temperature in Princeton in the summer is 78 degrees, and in the winter 36 degrees.
