Irkutsk Population 2026
Irkutsk has a population of 623,869, making it the #23 biggest city in 🇷🇺 Russia, located in Irkutsk Oblast. Roughly 0.4% of Russia's population lives here. It is about 17× smaller than Moscow, the country's biggest city.
Population (city proper)
623,869
Rank in Russia
#23
Coordinates
52.30°N, 104.29°E
~415 m elevation · Asia/Irkutsk
Distance to capital (Moscow)
4,202 km
2,609 miles, straight line
Other big cities in Irkutsk Oblast
| City | Population | Rank in Russia |
|---|---|---|
| Bratsk | 256,600 | #73 |
| Angarsk | 243,158 | #77 |
| Ust’-Ilimsk | 100,271 | #170 |
| Usol’ye-Sibirskoye | 85,900 | #199 |
| Cheremkhovo | 57,395 | #305 |
| Tulun | 51,330 | #333 |
| Ust’-Kut | 48,202 | #355 |
| Shelekhov | 47,459 | #360 |
Cities near Irkutsk
- Shelekhov47,459 people · ~16 km away
- Angarsk243,158 people · ~39 km away
- Usol’ye-Sibirskoye85,900 people · ~67 km away
- Cheremkhovo57,395 people · ~125 km away
- Gusinoozyorsk24,083 people · ~189 km away
- Ulan-Ude360,278 people · ~232 km away
FAQ
What is the population of Irkutsk?
Irkutsk has a population of 623,869 (city proper, latest official figure via GeoNames), making it the #23 biggest city in Russia.
What region is Irkutsk in?
Irkutsk is located in Irkutsk Oblast, Russia.
Is Irkutsk the capital of Russia?
No, the capital of Russia is Moscow, about 4,202 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.