100 Smallest ZIP Codes in the United States by Population in St. Louis city, Missouri
Explore the 100 smallest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in St. Louis city, Missouri.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 63102 | SAINT LOUIS | MO | 2,404 |
| 2 | 63101 | SAINT LOUIS | MO | 2,791 |
| 3 | 63120 | SAINT LOUIS | MO | 6,818 |
| 4 | 63147 | SAINT LOUIS | MO | 8,502 |
| 5 | 63106 | SAINT LOUIS | MO | 8,676 |
| 6 | 63103 | SAINT LOUIS | MO | 9,193 |
| 7 | 63107 | SAINT LOUIS | MO | 9,391 |
| 8 | 63113 | SAINT LOUIS | MO | 12,048 |
| 9 | 63115 | SAINT LOUIS | MO | 15,828 |
| 10 | 63110 | SAINT LOUIS | MO | 16,983 |
| 11 | 63112 | SAINT LOUIS | MO | 18,703 |
| 12 | 63104 | SAINT LOUIS | MO | 19,325 |
| 13 | 63111 | SAINT LOUIS | MO | 20,229 |
| 14 | 63108 | SAINT LOUIS | MO | 20,521 |
| 15 | 63139 | SAINT LOUIS | MO | 22,126 |
| 16 | 63109 | SAINT LOUIS | MO | 25,787 |
| 17 | 63118 | SAINT LOUIS | MO | 26,621 |
| 18 | 63116 | SAINT LOUIS | MO | 41,821 |