Cincinnati Population 2024. Also for cities and towns with a population of 5,000 or more. The metro area population of cincinnati in 2023 was 1,775,000, a 0.62%.
The median age in cincinnati is 32.7, compared to 38.8 nationwide, according to the american community. Population size ranges from about 518,000 (lexington, ky.) to about 7.9 million (dallas, tex.);