Darlington is located in Harford county Maryland with a geographic area of 1.0 square miles. The total population in Darlington is 522 with 54.8% male and 45.2% female. Children under age 5 represent 0.6% of the population, under age 18 equal 6.1% of the population and over age 65 is 28.5% of the population. The median household income is $103,250, per capita income is $46,143. There are a total of 213 housing units with 92.0% owner occupied. Education includes 24.4% of residents that are high school graduates and 53.5% with a bachelor's degree or higher. The average temperature in Darlington in the summer is 74 degrees, and in the winter 37 degrees.
