Kostenets's 2026 population is now estimated at 5,422.In 2010, the population of Kostenets was 7,018.Kostenets experienced a decrease of -94 residents over the past year, marking an annual decline of -1.7%.These population values and projections come from National Statistical Institute of Bulgaria - Population by towns and sex as of 31.12 (2010-2024) and World Population Review Internal Projections.
City | 2026 Pop.↓ | Growth |
|---|---|---|
| Sofia | 1,205,833 | 0.01% |
| Plovdiv | 327,603 | -0.29% |
| Varna | 316,749 | -0.31% |
| Burgas | 187,851 | -0.31% |
| Stara Zagora | 118,375 | -1.2% |
| Ruse | 116,649 | -1.9% |
| Pleven | 85,556 | -1.73% |
| Sliven | 76,209 | -1.31% |
| Dobrich | 66,326 | -2.29% |
| Shumen | 64,229 | -1.84% |
| Pernik | 63,887 | -1.47% |
| Blagoevgrad | 61,507 | -0.94% |
| Haskovo | 61,372 | -1.56% |
| Veliko Tarnovo | 58,617 | -1.06% |
| Yambol | 57,083 | -1.96% |
| Pazardzhik | 51,727 | -2.42% |
| Vratsa | 46,363 | -1.89% |
| Asenovgrad | 44,559 | -0.89% |
| Gabrovo | 41,398 | -2.72% |
| Kardzhali | 41,358 | -0.44% |
