Celaya's 2025 population is now estimated at 727,242. In 1950, the population of Celaya was 34,553. Celaya has grown by 9,626 in the last year, which represents a 1.34% annual change.These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Celaya, which typically includes Celaya's population in addition to adjacent suburban areas.
| City | 2025 Pop. ↓ | Growth |
|---|---|---|
| Mexico City | 22,752,400 | 1.1% |
| Guadalajara | 5,578,580 | 1.43% |
| Monterrey | 5,272,360 | 1.48% |
| Puebla | 3,443,290 | 1.44% |
| Toluca de Lerdo | 2,719,520 | 1.69% |
| Tijuana | 2,333,220 | 1.57% |
| Leon de los Aldamas | 1,950,390 | 1.35% |
| La Laguna | 1,866,580 | 2.21% |
| Ciudad Juarez | 1,625,980 | 1.37% |
| Queretaro | 1,459,290 | 1.56% |
| San Luis Potosi | 1,310,720 | 1.44% |
| Merida | 1,258,230 | 1.5% |
| Mexicali | 1,215,000 | 1.51% |
| Aguascalientes | 1,196,770 | 1.48% |
| Cuernavaca | 1,156,360 | 1.42% |
| Chihuahua | 1,153,540 | 1.6% |
| Tampico | 1,077,740 | 1.43% |
| Saltillo | 1,066,100 | 1.5% |
| Cancun | 1,065,400 | 1.95% |
| Acapulco de Juarez | 1,046,710 | 1.35% |