“Population of the 24 Urban Places [in the U.S]: 1790″

From the Census site:

Rank Place Population
1 New York city, NY 33,131
2 Philadelphia city, PA 28,522
3 Boston town, MA 18,320
4 Charleston city, SC 16,359
5 Baltimore town, MD 13,503
6 Northern Liberties township, PA 9,913
7 Salem town, MA 7,921
8 Newport town, RI 6,716
9 Providence town, RI 6,380
10t Marblehead town, MA 5,661
10t Southwark district, PA 5,661
12 Gloucester town, MA 5,317
13 Newburyport town, MA 4,837
14 Portsmouth town, NH 4,720
15 Sherburne town (Nantucket), MA 4,620
16 Middleborough town, MA 4,526
17 New Haven city, CT 4,487
18 Richmond city, VA 3,761
19 Albany city, NY 3,498
20 Norfolk borough, VA 2,959
21 Petersburg town, VA 2,828
22 Alexandria town, VA 2,748
23 Hartford city, CT 2,683
24 Hudson city, NY 2,584