100 Smallest ZIP Codes in the United States by Population in Mercer County, New Jersey
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 Mercer County, New Jersey.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 08561 | WINDSOR | NJ | 328 |
| 2 | 08608 | TRENTON | NJ | 786 |
| 3 | 08542 | PRINCETON | NJ | 2,595 |
| 4 | 08560 | TITUSVILLE | NJ | 3,689 |
| 5 | 08544 | PRINCETON | NJ | 4,504 |
| 6 | 08525 | HOPEWELL | NJ | 4,554 |
| 7 | 08628 | TRENTON | NJ | 9,107 |
| 8 | 08609 | TRENTON | NJ | 12,799 |
| 9 | 08620 | TRENTON | NJ | 12,913 |
| 10 | 08534 | PENNINGTON | NJ | 12,990 |
| 11 | 08629 | TRENTON | NJ | 13,075 |
| 12 | 08691 | ROBBINSVILLE | NJ | 16,935 |
| 13 | 08690 | TRENTON | NJ | 19,959 |
| 14 | 08550 | PRINCETON JUNCTION | NJ | 20,954 |
| 15 | 08619 | TRENTON | NJ | 23,446 |
| 16 | 08638 | TRENTON | NJ | 23,804 |
| 17 | 08520 | HIGHTSTOWN | NJ | 29,296 |
| 18 | 08648 | LAWRENCE TOWNSHIP | NJ | 31,626 |
| 19 | 08611 | TRENTON | NJ | 31,660 |
| 20 | 08610 | TRENTON | NJ | 32,324 |
| 21 | 08618 | TRENTON | NJ | 39,047 |
| 22 | 08540 | PRINCETON | NJ | 48,513 |