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about Columbia
Columbia is located in Howard county Maryland with a geographic area of 31.9 square miles. The total population in Columbia is 105,412 with 48.4% male and 51.6% female. Children under age 5 represent 5.3% of the population, under age 18 equal 21.0% of the population and over age 65 is 15.7% of the population. The median household income is $111,278, per capita income is $52,834. There are a total of 41,261 housing units with 65.6% owner occupied. Education includes 10.6% of residents that are high school graduates and 67.1% with a bachelor's degree or higher. The average temperature in Columbia in the summer is 74 degrees, and in the winter 37 degrees.
