Cincinnati Oh Population 2024 By Age. Race and ethnicity by neighborhood in cincinnati. Quickfacts provides statistics for all states and counties, and for cities and towns with a population of 5,000 or more.
Between 2021 and 2022 the population of. Cincinnati is currently growing at a rate of 0.16% annually and its population has increased by 0.64% since the most recent census , which recorded a population of 309,601 in 2020.