Cinicinnati, Ohio
- Hamilton County Courthouse
- 1000 Main St
- Cinicinnati, Ohio 45202
Services Available
Hamilton County was organized in 1790 by order of Arthur St. Clair, governor of the Northwest Territory, as the second county in the Northwest Territory. Cincinnati is the county seat. Residents named the county in honor of Alexander Hamilton, who was the first Secretary of the Treasury of the United States and a founder of the Federalist Party. Hamilton County is infamously known as the “Queen City” or “Paris of America.” With a total area of 413 sqaure miles, it has a population count of a whopping 817,473 residents calling it home.