Cincinnati
- County:
- Hamilton County
- County Seat:
- Yes
- Area (mi²):
- 77.914
- State:
- Ohio
Cincinnati is a city located in Hamilton County, Ohio. Cincinnati has a 2026 population of 314,915. It is also the county seat of Hamilton County. Cincinnati is currently growing at a rate of 0.71% annually and its population has increased by 1.72% since the most recent census, which recorded a population of 309,604 in 2020.