- Irkutsk ( 586,695 )
- Bratsk ( 256,600 )
- Angarsk ( 243,158 )
- Ust'-Ilimsk ( 100,271 )
- Usol'ye-Sibirskoye ( 85,900 )
- Cheremkhovo ( 57,395 )
- Tulun ( 51,330 )
- Ust'-Kut ( 48,202 )
- Shelekhov ( 47,459 )
- Sayansk ( 43,949 )
- Nizhneudinsk ( 38,723 )
- Tayshet ( 37,766 )
- Zima ( 33,323 )
- Zheleznogorsk-Ilimskiy ( 28,456 )
- Vikhorevka ( 22,500 )
- Slyudyanka ( 18,809 )
- Markova, Irkutsk Oblast ( 17,756 )
- Chunskiy ( 16,199 )
- Bodaybo ( 15,933 )
- Baykal'sk ( 15,600 )
- Svirsk ( 14,717 )
- Ust'-Ordynskiy ( 14,538 )
- Kirensk ( 13,308 )
- Novaya Igirma ( 10,681 )
- Kuytun, Irkutsk Oblast ( 10,566 )
- Zalari ( 9,781 )
- Biryusinsk ( 9,583 )
- Meget ( 8,370 )
- Magistral'nyy ( 7,638 )
- Zheleznodorozhnyy ( 7,629 )
- Mishelevka ( 7,529 )
- Alzamay ( 7,058 )
- Kachug ( 6,971 )
- Markovo ( 6,340 )
- Yurty ( 5,902 )
- Lesogorsk ( 5,809 )
