East St. Louis is the most dangerous neighborhood in the United States. According to Neighborhood Scout, you have a 1 in 10 chance of being a victim of a violent crime in the area in St. Louis, Missouri. Neighborhoods in Jackson, Tennessee; Atlanta, Georgia; Saginaw, Michigan; and Rockford, Illinois.
A neighborhood in Washington DC landed in 22. A neighborhood in Washington Highlands, specifically the area around 4th and Atlantic Street SE is the most dangerous neighborhood in the District. The Oliver neighborhood in Baltimore landed at 15.