Grand river is located in Lake county Ohio with a geographic area of 0.6 square miles. The total population in Grand river is 604 with 48.5% male and 51.5% female. Children under age 5 represent 2.8% of the population, under age 18 equal 10.6% of the population and over age 65 is 21.7% of the population. The median household income is $64,432, per capita income is $32,386. There are a total of 258 housing units with 76.7% owner occupied. Education includes 25.6% of residents that are high school graduates and 11.6% with a bachelor's degree or higher. The average temperature in Grand river in the summer is 73 degrees, and in the winter 32 degrees.