Mendoza's 2020 population is now estimated at 1,172,619. In 1950, the population of Mendoza was 245,797. Mendoza has grown by 97,534 since 2015, which represents a 1.75% 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 Mendoza, which typically includes Mendoza's population in addition to adjacent suburban areas.
| Year | Population | Growth Rate (%) | Growth |
|---|---|---|---|
| 2035 | 1,374,585 | 0.81% | 54,176 |
| 2030 | 1,320,409 | 0.99% | 63,227 |
| 2025 | 1,257,182 | 1.40% | 84,563 |
| 2020 | 1,172,619 | 1.75% | 97,534 |
| 2015 | 1,075,085 | 1.77% | 90,483 |
| 2010 | 984,602 | 1.74% | 81,334 |
| 2005 | 903,268 | 1.50% | 64,884 |
| 2000 | 838,384 | 0.89% | 36,156 |
| 1995 | 802,228 | 1.12% | 43,396 |
| 1990 | 758,832 | 2.23% | 79,255 |
| 1985 | 679,577 | 2.25% | 71,461 |
| 1980 | 608,116 | 2.50% | 70,744 |
| 1975 | 537,372 | 2.57% | 63,925 |
| 1970 | 473,447 | 3.75% | 79,559 |
| 1965 | 393,888 | 3.71% | 65,533 |
| 1960 | 328,355 | 2.94% | 44,268 |
| 1955 | 284,087 | 2.94% | 38,290 |
| 1950 | 245,797 | 0.00% |