Zaghouan's 2026 population is now estimated at 336,976. In 2016, the population of Zaghouan was 360,976. Zaghouan experienced a decrease of -2,292 residents over the past year, marking an annual decline of -0.68%. These population values and projections come from Tunisia INS population projection by governorate (2016-2020) and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Tunis | 471,958 | 1.93% |
| L'Ariana | 462,105 | 3.67% |
| Beja | 410,355 | 3.1% |
| Ben Arous | 362,102 | 2.39% |
| Zaghouan | 336,976 | -0.68% |
| Bizerte | 332,837 | -1.75% |
| Jendouba | 327,685 | 1.65% |
| Siliana | 318,056 | 3.06% |
| Manouba | 281,048 | 0.12% |
| Nabeul | 258,632 | -2.19% |
| Kasserine | 244,080 | 3.81% |
| Kairouan | 238,999 | 1.71% |
| Sousse | 233,540 | 5.13% |
| Gafsa | 198,355 | 2.74% |
| Sidi Bouzid | 192,937 | 2.63% |
| Medenine | 166,899 | -0.51% |
| Tozeur | 164,015 | 1.85% |
| Tataouine | 148,971 | -2.57% |
| Kebili | 140,576 | 0.29% |
| Gabes | 134,579 | -1.88% |
| Monastir | 124,952 | 4.08% |
| Sfax | 83,607 | 1.6% |
| Mahdia | 73,475 | 2.31% |
