40 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 33810 | Lakeland | 55,137 |
| 33844 | Haines City | 51,255 |
| 33837 | Davenport | 47,389 |
| 34759 | Kissimmee | 44,568 |
| 33880 | Winter Haven | 43,371 |
| 33823 | Auburndale | 41,779 |
| 33881 | Winter Haven | 40,808 |
| 33813 | Lakeland | 38,674 |
| 33884 | Winter Haven | 37,561 |
| 33801 | Lakeland | 35,394 |
| 33830 | Bartow | 33,740 |
| 33809 | Lakeland | 30,797 |
| 33897 | Davenport | 30,159 |
| 33811 | Lakeland | 29,472 |
| 33803 | Lakeland | 29,321 |
| 33805 | Lakeland | 28,751 |
| 33860 | Mulberry | 24,892 |
| 33898 | Lake Wales | 18,527 |
| 33812 | Lakeland | 16,169 |
| 33815 | Lakeland | 13,975 |
| 33868 | Polk City | 13,827 |
| 33853 | Lake Wales | 12,674 |
| 33859 | Lake Wales | 11,824 |
| 33843 | Frostproof | 11,220 |
| 33850 | Lake Alfred | 9,757 |
| 33841 | Fort Meade | 8,005 |
| 33838 | Dundee | 5,688 |
| 33839 | Eagle Lake | 4,561 |
| 33827 | Babson Park | 2,431 |
| 33851 | Lake Hamilton | 1,212 |
| 33849 | Kathleen | 851 |
| 33854 | Lakeshore | 781 |
| 33858 | Loughman | 653 |
| 33847 | Homeland | 442 |
| 33856 | Nalcrest | 394 |
| 33877 | Waverly | 159 |
| 33835 | Bradley | 115 |
| 33867 | River Ranch | 43 |
| 33855 | Indian Lake Estates | 15 |
| 33840 | Eaton Park | 0 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 40 ZCTAs in Polk County, Florida (US Census).