100 Largest ZIP Codes in the United States by Population in Monroe County, Florida
Explore the 100 largest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Monroe County, Florida.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 33040 | KEY WEST | FL | 36,379 |
| 2 | 33037 | KEY LARGO | FL | 13,265 |
| 3 | 33050 | MARATHON | FL | 10,520 |
| 4 | 33042 | SUMMERLAND KEY | FL | 6,990 |
| 5 | 33070 | TAVERNIER | FL | 5,717 |
| 6 | 33043 | BIG PINE KEY | FL | 4,547 |
| 7 | 33036 | ISLAMORADA | FL | 3,620 |
| 8 | 33051 | KEY COLONY BEACH | FL | 650 |
| 9 | 33001 | LONG KEY | FL | 340 |