Saransk's 2025 population is now estimated at 326,515. In 1950, the population of Saransk was 51,376. Saransk has grown by 577 in the last year, which represents a 0.18% 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 Saransk, which typically includes Saransk's population in addition to adjacent suburban areas.
| City | 2025 Pop. ↓ | Growth |
|---|---|---|
| Moscow | 12,737,400 | 0.2% |
| Saint Petersburg | 5,597,340 | 0.28% |
| Novosibirsk | 1,706,660 | 0.3% |
| Yekaterinburg | 1,537,000 | 0.26% |
| Kazan | 1,299,580 | 0.26% |
| Nizhniy Novgorod | 1,249,760 | -0.04% |
| Chelyabinsk | 1,246,210 | 0.19% |
| Omsk | 1,180,820 | 0.01% |
| Krasnoyarsk | 1,177,840 | 0.4% |
| Samara | 1,153,710 | -0.06% |
| Ufa | 1,148,400 | 0.14% |
| Rostov-on-Don | 1,140,390 | 0.07% |
| Voronezh | 1,086,000 | 0.21% |
| Perm | 1,085,990 | 0.17% |
| Krasnodar | 1,017,530 | 0.69% |
| Volgograd | 992,268 | -0.11% |
| Tyumen | 926,519 | 1.05% |
| Saratov | 837,323 | -0.04% |
| Tolyatti | 689,506 | -0.14% |
| Izhevsk | 652,790 | 0.05% |
