Population Of Cairo 2024 By Race. Cairo's 2024 population is now estimated at 22,623,900. The current population of cairo, illinois is 1,505 based on our projections of the latest us census estimates (released may 2024).
The capital city, cairo, had a population of over 10 million people, while the giza governorate, which is partly categorized as belonging to the greater cairo. It is also the county seat of grady county.