22 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 35758 | Madison | 48,043 |
| 35810 | Huntsville | 31,668 |
| 35811 | Huntsville | 28,841 |
| 35803 | Huntsville | 28,210 |
| 35749 | Harvest | 28,121 |
| 35806 | Huntsville | 27,549 |
| 35801 | Huntsville | 24,002 |
| 35802 | Huntsville | 23,508 |
| 35805 | Huntsville | 20,907 |
| 35763 | Owens Cross Roads | 19,203 |
| 35757 | Madison | 17,622 |
| 35816 | Huntsville | 15,569 |
| 35750 | Hazel Green | 14,255 |
| 35773 | Toney | 13,784 |
| 35761 | New Market | 13,032 |
| 35759 | Meridianville | 11,627 |
| 35824 | Huntsville | 9,767 |
| 35748 | Gurley | 7,170 |
| 35760 | New Hope | 4,847 |
| 35741 | Brownsboro | 4,206 |
| 35808 | Huntsville | 1,112 |
| 35896 | Huntsville | 527 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 22 ZCTAs in Madison County, Alabama (US Census).