Alger is located in Hardin county Ohio with a geographic area of 0.3 square miles. The total population in Alger is 875 with 46.9% male and 53.1% female. Children under age 5 represent 11.2% of the population, under age 18 equal 24.6% of the population and over age 65 is 14.4% of the population. The median household income is $36,471, per capita income is $17,218. There are a total of 356 housing units with 65.2% owner occupied. Education includes 53.4% of residents that are high school graduates and 9.6% with a bachelor's degree or higher. The average temperature in Alger in the summer is 73 degrees, and in the winter 32 degrees.