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Cincinnati

Cincinnati is a city in Hamilton County, Ohio, United States, and the county seat.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Cincinnati is a city in Hamilton County, Ohio, United States, and the county seat. It sits on the Ohio River across from Kentucky and is the third-most populous city in Ohio, with a population of 309,317 at the 2020 census. The city is a major cultural and economic centre in the Cincinnati metropolitan area and is known for its riverfront location, historic development, and regional influence.

History

Cincinnati was first settled in 1788 and renamed in 1790. The name honours the Society of the Cincinnati, an organization of Revolutionary War officers. It is considered one of the earliest major U.S. cities founded after the American Revolution.

Geography

The city is located on the northern bank of the Ohio River, opposite Kentucky, near the confluences of the Licking, Little Miami, and Great Miami river systems. Its setting includes riverfront land and surrounding hills.

Population and metropolitan area

Cincinnati had a population of 309,317 in the 2020 census. It anchors a metropolitan area of more than 2.3 million people spanning Ohio, Kentucky, and Indiana.

Culture and economy

Cincinnati is described as a cultural centre with major arts institutions such as orchestras, opera, ballet, and museums. The region is home to several major corporations and has long been associated with regional commerce, including a significant manufacturing and inland river-port history.

Key facts

  • First settled in 1788 and renamed Cincinnati in 1790 in honour of the Society of the Cincinnati.
  • It is the county seat of Hamilton County and the third-most populous city in Ohio.
  • The city lies along the Ohio River opposite northern Kentucky and is part of a larger tri-state metropolitan area.
  • Cincinnati is a regional cultural centre with orchestral, opera, ballet, and museum institutions.
  • Its metro area extends into Ohio, Kentucky, and Indiana.

Frequently asked questions

Where is Cincinnati located?
Cincinnati is in southwestern Ohio on the Ohio River, directly across from Kentucky.
When was Cincinnati founded?
The settlement began in 1788 and was renamed Cincinnati in 1790.
Why is it called Cincinnati?
It was renamed to honour the Society of the Cincinnati, an organization of Revolutionary War officers.
How large is Cincinnati?
Its 2020 population was 309,317, making it Ohio’s third-largest city.
What is Cincinnati known for?
It is known for its river setting, historic importance, and cultural institutions such as orchestras, opera, ballet, and museums.

References

  1. Britannicahttps://www.britannica.com/place/Cincinnati
    Supports: City location, county seat status, river setting, regional geography, and general background.
  2. Britannicahttps://www.britannica.com/summary/Cincinnati
    Supports: Population, founding and renaming, cultural institutions, and historical summary.
  3. Wikipediahttps://en.wikipedia.org/wiki/Cincinnati
    Supports: Population, county seat, settlement date, metro area, and geographic context.
  4. Visit Cincyhttps://www.visitcincy.com/plan-your-visit/about-the-area/general-information/
    Supports: Regional location, metro area extent, naming history, population, and corporate presence.
  5. UC Health Careershttps://careers.uchealth.com/about/living-in-cincinnati
    Supports: Metropolitan size, regional identity, and cultural reputation.