Bladensburg is located in Knox county Ohio with a geographic area of 0.3 square miles. The total population in Bladensburg is 353 with 15.0% male and 85.0% female. Children under age 5 represent 0.0% of the population, under age 18 equal 38.0% of the population and over age 65 is 28.9% of the population. The median household income is $61,108, per capita income is $29,252. There are a total of 156 housing units with 80.1% owner occupied. Education includes 74.4% of residents that are high school graduates and 5.8% with a bachelor's degree or higher. The average temperature in Bladensburg in the summer is 73 degrees, and in the winter 32 degrees.