Thomassin's 2026 population is now estimated at 17,195. In 2009, the population of Thomassin was 17,195. These population values and projections come from IHSI Haiti 2009 city/town estimates via CityPopulation and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Port-au-Prince | 1,633,591 | 3.73% |
| Carrefour | 916,440 | 4.55% |
| Petionville | 634,454 | 5.13% |
| Gonaives | 535,136 | 5.13% |
| Cap-Haitien | 363,827 | 5.13% |
| Delmas | 359,451 | 0% |
| Saint-Marc | 287,185 | 5.13% |
| Cite Soleil | 241,055 | 0% |
| Port-de-Paix | 232,982 | 5.13% |
| Les Cayes | 166,667 | 5.13% |
| Tabarre | 99,011 | 0% |
| Jacmel | 92,751 | 5.13% |
| Limbe | 92,060 | 5.06% |
| Petite-Anse | 89,155 | 0% |
| Croix-des-Bouquets | 84,812 | 0% |
| Leogane | 78,477 | 0% |
| Petite Riviere de l'Artibonite | 76,570 | 4.71% |
| Petit-Goave | 76,243 | 0% |
| Jeremie | 67,647 | 3.99% |
| Hinche | 63,843 | 4.42% |
| Ouanaminthe | 58,250 | 0% |
| Fort-Liberte | 44,229 | 4.64% |
| Desdunes | 43,120 | 2.73% |
| Anse-a-Galets | 39,783 | 0% |
| Cabaret | 36,120 | 0% |
| Saintard | 32,906 | 0% |
| Verrettes | 32,579 | 5.09% |
| Gros-Morne | 30,511 | 0% |
| Saint-Michel-de-l'Attalaye | 30,412 | 0% |
| Saint-Louis-du-Nord | 30,037 | 0% |
| Dessalines | 26,219 | 0% |
| Trou-du-Nord | 21,805 | 0% |
| Grand-Goave | 19,874 | 0% |
| Croix-des-Missions | 19,466 | 0% |
| L'Estere | 18,770 | 0% |
| Thomassin | 17,195 | 0% |
| Mirebalais | 15,562 | 0% |
| Vialet | 15,554 | 0% |
| Liancourt | 15,211 | 0% |
| Limonade | 14,886 | 0% |
| Arcahaie | 14,702 | 0% |
| Plaisance | 14,677 | 0% |
| Miragoane | 10,947 | 0% |