The victim was walking in the 100 block of Hamilton St NW around 2 a.m.on Nov. 1 when a man pulled her into an alley and sexually assaulted her, police said.
The attack occurred near New Hamphire Ave NW, less then two blocks from an elementary school.
Police said the suspect wore a red and black North Face jacket and dark-colored pants at the time of the attack. They described him as about 20-25 years old with a thin build.
Anyone with information is asked to contact police at 202 727-9099 or 1-888-919-2746.