Colonial beach is located in Westmoreland county Virginia with a geographic area of 2.4 square miles. The total population in Colonial beach is 3,591 with 43.8% male and 56.2% female. Children under age 5 represent 9.6% of the population, under age 18 equal 24.0% of the population and over age 65 is 28.4% of the population. The median household income is $54,324, per capita income is $33,022. There are a total of 1,648 housing units with 67.8% owner occupied. Education includes 37.9% of residents that are high school graduates and 20.6% with a bachelor's degree or higher. The average temperature in Colonial beach in the summer is 71 degrees, and in the winter 35 degrees.