Washington,DC (Rural) 12 0.27 Cincinnati,OH (Rural) 20 0.14 Philadelphia,PA (Rura 20 0.33 Richmond,VA 46 0.81 Fall River,MA 48 0.84 Hartford,CT 92 1.08 Evanston,IL 91 1.78 Albany,NY 94 1.21 Washington,DC 102 1.09 Louisville,KY 117 1.72 Providence,RI 122 1.18 Cambridge,MA 142 1.01 Baltimore,MD 142 1.90 Newark,NJ 178 1.98 Boston,MA 180 1.53 Pittsburgh,PA 197 2.71 Cincinnati,OH 224 2.41 Brooklyn,NY 234 1.61 Philadelphia,PA 239 2.51 Indianapolis,IN 244 2.15 Chicago,IL 323 3.16