Hamilton County
US county in Ohio
Hamilton County is located in the southwestern corner of the U.S. state of Ohio. As of the 2020 census, the population was 830,639, making it the third-most populous county in Ohio. The county seat and largest city is Cincinnati. The county is... Wikipedia
Cities: Cincinnati, Harrison, Blue Ash, and more
Population: 825,037 (2022)
Congressional districts: 1st, 8th
Named for: Alexander Hamilton
Seat: Cincinnati