| Zip Code | City | Population ↓ |
|---|---|---|
| 43701 | Zanesville | 55,531 |
| 43830 | Nashport | 6,676 |
| 43762 | New Concord | 5,208 |
| 43822 | Frazeysburg | 5,052 |
| 43777 | Roseville | 4,917 |
| 43821 | Dresden | 4,350 |
| 43771 | Philo | 2,274 |
| 43734 | Duncan Falls | 1,911 |
| 43802 | Adamsville | 1,240 |
| 43767 | Norwich | 1,195 |
| 43720 | Blue Rock | 1,164 |
| 43727 | Chandlersville | 1,070 |
| 43746 | Hopewell | 762 |
| 43735 | East Fultonham | 394 |
| 43842 | Trinway | 220 |
| 43738 | Fultonham | 95 |
| 43791 | White Cottage | 50 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 17 ZCTAs in Muskingum County, Ohio (US Census).