Gambier is located in Knox county Ohio with a geographic area of 0.9 square miles. The total population in Gambier is 2,339 with 41.9% male and 58.1% female. Children under age 5 represent 1.1% of the population, under age 18 equal 4.6% of the population and over age 65 is 5.9% of the population. The median household income is $78,864, per capita income is $17,300. There are a total of 332 housing units with 62.7% owner occupied. Education includes 8.1% of residents that are high school graduates and 75.3% with a bachelor's degree or higher. The average temperature in Gambier in the summer is 73 degrees, and in the winter 32 degrees.