Maryland Census Data

Data for Maryland show that the five most populous incorporated places and their 2010 Census counts are Baltimore, 620,961; Frederick, 65,239; Rockville, 61,209; Gaithersburg, 59,933; and Bowie, 54,727. Baltimore decreased by 4.6 percent since the 2000 Census. Frederick grew by 23.6 percent, Rockville grew by 29.2 percent, Gaithersburg grew by 13.9 percent and Bowie grew by 8.9 percent.

The largest county is Montgomery with a population of 971,777. Its population grew by 11.3 percent since 2000. The other counties in the top five include Prince George’s, with a population of 863,420 (increase of 7.7 percent); Baltimore, population of 805,029 (increase of 6.7 percent); Anne Arundel, population of 537,656 (increase of 9.8 percent); and Howard, population of 287,085 (increase of 15.8 percent). (Note: Baltimore city and Baltimore County are separate entities and the city is not included in the county’s population.) Read More »