Izhevsk's 2020 population is now estimated at 651,338. In 1950, the population of Izhevsk was 210,503. Izhevsk has grown by 9,597 since 2015, which represents a 0.30% 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 Izhevsk, which typically includes Izhevsk's population in addition to adjacent suburban areas.
| Year | Population | Growth Rate (%) | Growth |
|---|---|---|---|
| 2035 | 655,564 | 0.04% | 1,323 |
| 2030 | 654,241 | 0.04% | 1,451 |
| 2025 | 652,790 | 0.04% | 1,452 |
| 2020 | 651,338 | 0.30% | 9,597 |
| 2015 | 641,741 | 0.44% | 13,851 |
| 2010 | 627,890 | -0.09% | -2,721 |
| 2005 | 630,611 | -0.05% | -1,626 |
| 2000 | 632,237 | -0.01% | -303 |
| 1995 | 632,540 | -0.01% | -302 |
| 1990 | 632,842 | 1.01% | 30,972 |
| 1985 | 601,870 | 1.43% | 41,347 |
| 1980 | 560,523 | 2.52% | 65,530 |
| 1975 | 494,993 | 2.97% | 67,311 |
| 1970 | 427,682 | 3.56% | 68,675 |
| 1965 | 359,007 | 3.62% | 58,509 |
| 1960 | 300,498 | 3.62% | 48,997 |
| 1955 | 251,501 | 3.62% | 40,998 |
| 1950 | 210,503 | 0.00% |