Busia ni mji wa Kenya Magharibi, makao makuu ya kaunti ya Busia. Kadiri ya sensa ya mwaka 2009, mji ulikuwa na wakazi 51,981, na hivyo kuwa mkubwa kuliko yote ya kaunti. Orodha ya miji ya Kenya Busia, Uganda Wilaya ya Busia, Uganda Wilaya ya Busia, Kenya Aggrey Mutambo, and Gaitano Pessa (23 February 2018). Busia open border reduces cost of doing business, leaves losers sulking. World Population Review (24 February 2018). Population of Cities in Kenya. Worldpopulationreview.com.