Editing Darnestown, Maryland (section)

===2010 census===
A portion of the Darnestown CDP is considered part of the Washington, DC–VA–MD Urbanized Area.<ref name="2010CensusIV-2">{{harvnb|United States Census Bureau|2012|p=IV-2}}</ref> As of the 2010 U.S. census, the Darnestown CDP population was 6,802—a ranking of 162 for the state of Maryland.<ref name="2010Census44">{{harvnb|United States Census Bureau|2012|p=44}}</ref> Total land area was {{convert|16.39|sqmi|km2}} out of a total area of {{convert|17.70|sqmi|km2}}—which includes small differences from the areas used in the 2000 census. The population density was {{convert|415.0|PD/sqmi|PD/km2|1}}. There were 2,275 housing units at an average density of {{convert|138.8|/sqmi|/km2|1}}.<ref name="2010Census28-29">{{harvnb|United States Census Bureau|2012|pp=28–29}}</ref> These densities were much lower than [[county seat]] Rockville, where the District 4 portion had a population density of {{convert|4403.3|PD/sqmi|PD/km2|1}} and a housing density of 1,779.3 units per square mile (687.0 units per km<sup>2</sup>).<ref name="2010Census18">{{harvnb|United States Census Bureau|2012|p=18}}</ref>