Zaoyang's 2025 population is now estimated at 627,444. In 1950, the population of Zaoyang was 21,335. Zaoyang has grown by 11,999 in the last year, which represents a 1.95% 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 Zaoyang, which typically includes Zaoyang's population in addition to adjacent suburban areas.
| City | 2025 Pop. ↓ | Growth |
|---|---|---|
| Shanghai | 30,482,100 | 2.06% |
| Beijing | 22,596,500 | 1.84% |
| Chongqing | 18,171,200 | 2.24% |
| Guangzhou | 14,878,700 | 1.98% |
| Tianjin | 14,704,100 | 1.61% |
| Shenzhen | 13,545,400 | 1.75% |
| Nanjing | 10,174,900 | 2.29% |
| Chengdu | 9,998,870 | 1.74% |
| Xi-an | 9,222,080 | 2.31% |
| Wuhan | 8,986,480 | 1.53% |
| Suzhou | 8,592,820 | 2.9% |
| Hangzhou | 8,591,040 | 2.03% |
| Shenyang | 7,974,270 | 1.84% |
| Foshan | 7,817,160 | 1.46% |
| Dongguan | 7,772,860 | 1.27% |
| Haerbin | 7,066,860 | 1.86% |
| Dalian | 6,347,380 | 2.09% |
| Qingdao | 6,217,970 | 1.86% |
| Zhengzhou | 6,156,140 | 2.35% |
| Ji nan Shandong | 6,065,850 | 2.11% |
