Joseph Minnick was last seen in the 600 block of Barnes Street on Monday.
Minnick is a black male with a dark complexion who stands 6-foot-3 and weighs 166 pounds.
He has short, gray hair with a bald spot and a gray moustache and beard.
Minnick was reportedly wearing a navy blue jacket, blue jeans, and a blue cap when he was last seen, along with black summer shoes with holes in them.
If you can help police find Minnick, call (202) 727-9099.