Duisburg's 2020 population is now estimated at 515,076. In 1950, the population of Duisburg was 411,198. Duisburg has grown by 26,760 since 2015, which represents a 1.07% 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 Duisburg, which typically includes Duisburg's population in addition to adjacent suburban areas.
| Year | Population | Growth Rate (%) | Growth |
|---|---|---|---|
| 2035 | 539,740 | 0.18% | 4,897 |
| 2030 | 534,843 | 0.22% | 5,850 |
| 2025 | 528,993 | 0.53% | 13,917 |
| 2020 | 515,076 | 1.07% | 26,760 |
| 2015 | 488,316 | -0.21% | -5,138 |
| 2010 | 493,454 | -0.38% | -9,531 |
| 2005 | 502,985 | -0.56% | -14,362 |
| 2000 | 517,347 | -0.69% | -18,332 |
| 1995 | 535,679 | 0.07% | 1,887 |
| 1990 | 533,792 | 0.50% | 13,246 |
| 1985 | 520,546 | -1.19% | -32,182 |
| 1980 | 552,728 | 1.95% | 50,870 |
| 1975 | 501,858 | 1.95% | 46,176 |
| 1970 | 455,682 | -1.06% | -24,875 |
| 1965 | 480,557 | -0.56% | -13,682 |
| 1960 | 494,239 | 1.91% | 44,523 |
| 1955 | 449,716 | 1.81% | 38,518 |
| 1950 | 411,198 | 0.00% |