Kisumu is the third-largest city in Kenya located in the Lake Victoria area in the former Nyanza Province. It is the second-largest city in the Lake Victoria Basin after Kampala. The city has a population of 438,588 according to the recent 2026 population estimates. The metro region, including Maseno and Ahero, had a population of 6,771 (Maseno) and 11,801 (Ahero) people respectively, totaling to a combined population of 457,160 people, according to the 2019 Kenya Population and Housing Census which was conducted by the Kenya National Bureau of Statistics.