Hillendale is located at latitude 38.663 and longitude -77.336. The elevation of Hillendale is 325 feet above mean sea level.
Since Hillendale is located within the Dale City CDP, all of the census and demographic data for residents of Hillendale are included as part of the information reported for Dale City CDP in the "Data" tab above.
In similar fashion, ALL OF THE NAVIGATION TABS ABOVE ARE FOR THE Dale City CDP Community Profile.
(Note: CDP = Census Designated Place. A CDP is a statistical area delineated locally specifically for the tabulation of Census Bureau data. While CDPs have specified boundaries, these boundaries have no legal significance.)