1830
Source data for population is available from the Census Bureau.
| Rank | City | State | Population | Notes |
| 1 | New York | New York | 202,589 | |
| 2 | Baltimore | Maryland | 80,620 | Baltimore is the second city to rank number two. |
| 3 | Philadelphia | Pennsylvania | 80,462 | |
| 4 | Boston | Massachusetts | 61,392 | |
| 5 | New Orleans | Louisiana | 46,082 | |
| 6 | Charleston | South Carolina | 30,289 | |
| 7 | Northern Liberties | Pennsylvania | 28,872 | Now a neighborhood in Philadelphia. |
| 8 | Cincinnati | Ohio | 24,831 | Listed as a town. First appearance on top 10 from a Midwestern state. |
| 9 | Albany | New York | 24,209 | |
| 10 | District of Southwark | Pennsylvania | 20,581 | Now a neighborhood in South Philadelphia. |
Read more about this topic: Largest Cities In The United States By Population By Decade