Hamilton, Ohio

Hamilton, Ohio
High-Main Street bridge in downtown Hamilton, 2018
Motto: 
"An Award Winning Community"
Interactive map of Hamilton, Ohio
Hamilton
Hamilton
Coordinates: 39°22′58″N 84°33′41″W / 39.38278°N 84.56139°W / 39.38278; -84.56139
Country United States
State Ohio
CountyButler
Government
 • MayorPat Moeller
Area
 • Total
21.89 sq mi (56.70 km2)
 • Land21.45 sq mi (55.56 km2)
 • Water0.44 sq mi (1.15 km2)
Elevation
587 ft (179 m)
Population
 (2020)
 • Total
63,399
 • Estimate 
(2023)
62,997
 • Density2,955.6/sq mi (1,141.18/km2)
Time zoneUTC−5 (Eastern (EST))
 • Summer (DST)UTC−4 (EDT)
ZIP code
45011-15, 45018
Area code513
FIPS code39-33012
GNIS feature ID1085809
Websitehamilton-oh.gov

Hamilton is a city in Butler County, Ohio, United States, and its county seat. It is 20 miles (32 km) north of Cincinnati along the Great Miami River. The population was 63,399 at the 2020 census, making Hamilton the second-most populous city in the Cincinnati metropolitan area and the tenth-most populous city in Ohio. Most of the city is served by the Hamilton City School District.