According to the 2000 US Census, 2,670 people live in Hillen with 90.4% African-American and 6.6% White. The median household income is $50,417. 91.6% of the houses are occupied and 78.1% of them are occupied by the home's owner.
Hillen Road is named for the Hillen Estate. The Hillen family included Colonel Solomon Hillen and Solomon Hillen, Jr., who served as a member of the United States Congress and mayor of Baltimore during the 1840s.
|Hillen Road||43rd||7th||3rd, 14th|
|Representatives||Anderson, Doory, McIntosh||Cummings||Curran, Clarke|
- "Profile of General Demographic Characteristics: Hillen". Baltimore City Planning Department. Retrieved 2007-05-05.
- "Solomon Hillen, Jr.". Library of Congress. Retrieved 2008-05-06.