Kisumu's 2026 population is now estimated at 544,902. In 1969, the population of Kisumu was 32,431. Kisumu has grown by 23,922 in the last year, which represents a 4.59% annual change. These population values and projections come from Kenya city census series 1969 to 2009 via CityPopulation fallback access, Kenya 2019 Census population in urban centers by sex and urban center (KNBS) and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Nairobi | 5,603,502 | 3.52% |
| Mombasa | 1,478,607 | 2.93% |
| Nakuru | 809,825 | 5.13% |
| Ruiru | 695,513 | 5.13% |
| Eldoret | 675,073 | 5.13% |
| Kisumu | 544,902 | 4.59% |
| Kikuyu | 453,420 | 4.92% |
| Thika | 356,764 | 5.13% |
| Naivasha | 281,605 | 5.13% |
| Karuri | 275,784 | 5.13% |
| Ongata Rongai | 244,887 | 5.13% |
| Kitale | 230,136 | 5.13% |
| Juja | 221,433 | 5.13% |
| Kitengela | 219,155 | 5.13% |
| Garissa | 216,621 | 4.11% |
| Kiambu | 209,838 | 5.13% |
| Mandera | 162,793 | 5.13% |
| Kisii | 159,527 | 5.13% |
| Malindi | 155,350 | 3.77% |
| Kakamega | 148,762 | 4.79% |