22 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 35758 | Madison | 48,929 |
| 35810 | Huntsville | 32,705 |
| 35811 | Huntsville | 29,748 |
| 35749 | Harvest | 29,297 |
| 35803 | Huntsville | 29,283 |
| 35806 | Huntsville | 28,443 |
| 35801 | Huntsville | 23,901 |
| 35802 | Huntsville | 23,304 |
| 35805 | Huntsville | 21,006 |
| 35763 | Owens Cross Roads | 19,505 |
| 35757 | Madison | 18,250 |
| 35816 | Huntsville | 15,172 |
| 35761 | New Market | 14,124 |
| 35773 | Toney | 13,977 |
| 35750 | Hazel Green | 13,563 |
| 35759 | Meridianville | 12,435 |
| 35824 | Huntsville | 9,690 |
| 35748 | Gurley | 7,311 |
| 35760 | New Hope | 4,908 |
| 35741 | Brownsboro | 4,292 |
| 35808 | Huntsville | 1,116 |
| 35896 | Huntsville | 532 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 22 ZCTAs in Madison County, Alabama (US Census).