Ondorkhaan's 2026 population is now estimated at 25,944.In 1979, the population of Ondorkhaan was 11,100.Ondorkhaan has grown by 377 in the last year, which represents a 1.47% annual change.These population values and projections come from Mongolia city census/estimate series 1979-2021 via CityPopulation official attribution and World Population Review Internal Projections.
City | 2026 Pop.↓ | Growth |
|---|---|---|
| Ulaanbaatar | 1,682,636 | 2.79% |
| Erdenet | 112,520 | 1.95% |
| Bayankhongor | 93,276 | 0.72% |
| Darkhan | 93,028 | 1.21% |
| Choibalsan | 52,102 | 2.01% |
| Moron | 51,749 | 4.05% |
| Olgii | 47,523 | 3.66% |
| Nalaikh | 40,146 | 0.62% |
| Arvaikheer | 39,257 | 2.55% |
| Khovd | 38,738 | 3.91% |
| Dalanzadgad | 36,525 | 4.83% |
| Ulaangom | 35,557 | 1.56% |
| Sainshand | 32,063 | 3.19% |
| Baganuur | 29,892 | 0.31% |
| Ondorkhaan | 25,944 | 1.47% |
| Baruun-Urt | 25,458 | 5.12% |
| Sukhbaatar | 22,124 | -0.26% |
| Tsetserleg | 22,086 | 1.13% |
| Altai | 19,205 | 1.86% |
| Zuunmod | 18,872 | 1.74% |
