Coal grove is located in Lawrence county Ohio with a geographic area of 1.9 square miles. The total population in Coal grove is 1,899 with 50.7% male and 49.3% female. Children under age 5 represent 3.5% of the population, under age 18 equal 14.3% of the population and over age 65 is 16.2% of the population. The median household income is $43,333, per capita income is $22,382. There are a total of 858 housing units with 63.1% owner occupied. Education includes 47.2% of residents that are high school graduates and 12.9% with a bachelor's degree or higher. The average temperature in Coal grove in the summer is 73 degrees, and in the winter 32 degrees.