Union bridge is located in Carroll county Maryland with a geographic area of 1.0 square miles. The total population in Union bridge is 963 with 53.8% male and 46.2% female. Children under age 5 represent 7.3% of the population, under age 18 equal 20.0% of the population and over age 65 is 15.9% of the population. The median household income is $53,750, per capita income is $28,052. There are a total of 439 housing units with 57.9% owner occupied. Education includes 41.7% of residents that are high school graduates and 25.5% with a bachelor's degree or higher. The average temperature in Union bridge in the summer is 74 degrees, and in the winter 37 degrees.