Kaluga's 2025 population is now estimated at 352,870. In 1950, the population of Kaluga was 94,478. Kaluga has grown by 539 in the last year, which represents a 0.15% 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 Kaluga, which typically includes Kaluga'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% |
