Population of Omsk 2023
1,172,070
persons
| Year | Male | Female | Total | Change |
| 2012 | 526,757 | 631,870 | 1,158,627 | +3,275 (+0.28%) |
| 2011 | 525,235 | 630,117 | 1,155,352 | +1,236 (+0.11%) |
| 2010 | 524,780 | 629,336 | 1,154,116 | +25,718 (+2.28%) |
| 2009 | 511,149 | 617,249 | 1,128,398 | -1,712 (-0.15%) |
| 2008 | 512,499 | 617,611 | 1,130,110 | -2,827 (-0.25%) |
| 2007 | 514,446 | 618,491 | 1,132,937 | -3,862 (-0.34%) |
| 2006 | 516,884 | 619,915 | 1,136,799 | -5,974 (-0.52%) |
| 2004 | 520,915 | 621,858 | 1,142,773 | — |
Population of Omsk is 1,172,070 .
Omsk (Russian Federation) population data is collected from official population sources and publicly available information resources.
- Population density of Omsk is 2,070.8 persons/sq.km²
- Male population — 526,757
- Female population — 631,870
Russian Federation cities by inhabitants