Zaragoza's 2020 population is now estimated at 730,828. In 1950, the population of Zaragoza was 262,906. Zaragoza has grown by 27,986 since 2015, which represents a 0.78% 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 Zaragoza, which typically includes Zaragoza's population in addition to adjacent suburban areas.
| Year | Population | Growth Rate (%) | Growth |
|---|---|---|---|
| 2035 | 759,179 | 0.19% | 7,327 |
| 2030 | 751,852 | 0.24% | 8,928 |
| 2025 | 742,924 | 0.33% | 12,096 |
| 2020 | 730,828 | 0.78% | 27,986 |
| 2015 | 702,842 | 0.98% | 33,541 |
| 2010 | 669,301 | 0.98% | 31,957 |
| 2005 | 637,344 | 0.69% | 21,509 |
| 2000 | 615,835 | -0.11% | -3,493 |
| 1995 | 619,328 | -0.03% | -886 |
| 1990 | 620,214 | 0.52% | 15,961 |
| 1985 | 604,253 | 0.73% | 21,478 |
| 1980 | 582,775 | 2.07% | 56,676 |
| 1975 | 526,099 | 2.25% | 55,442 |
| 1970 | 470,657 | 3.93% | 82,530 |
| 1965 | 388,127 | 3.75% | 65,235 |
| 1960 | 322,892 | 2.13% | 32,330 |
| 1955 | 290,562 | 2.02% | 27,656 |
| 1950 | 262,906 | 0.00% |