22 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 35758 | Madison | 50,266 |
| 35810 | Huntsville | 32,843 |
| 35811 | Huntsville | 31,008 |
| 35749 | Harvest | 30,710 |
| 35803 | Huntsville | 29,197 |
| 35806 | Huntsville | 29,161 |
| 35802 | Huntsville | 23,858 |
| 35801 | Huntsville | 23,357 |
| 35805 | Huntsville | 20,856 |
| 35763 | Owens Cross Roads | 19,819 |
| 35757 | Madison | 18,529 |
| 35816 | Huntsville | 15,939 |
| 35773 | Toney | 14,606 |
| 35759 | Meridianville | 14,103 |
| 35761 | New Market | 13,557 |
| 35750 | Hazel Green | 13,413 |
| 35824 | Huntsville | 9,645 |
| 35748 | Gurley | 7,578 |
| 35760 | New Hope | 4,643 |
| 35741 | Brownsboro | 4,571 |
| 35808 | Huntsville | 1,153 |
| 35896 | Huntsville | 603 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 22 ZCTAs in Madison County, Alabama (US Census).