Butler County is a county located in the U.S. state of Ohio. As of the most recent data available, the county has a population of approximately 332,807 people, with a population density of about 712.65 persons per square mile.
The county spans a total land area of 467.00 square miles (1,210.00 square kilometers). The administrative center and county seat is Hamilton, which often serves as a hub for local governance and services. The largest city within the county by population is Hamilton.
Geographically, Butler County experiences varied elevations, with its highest point at Oxford 972 ft and its lowest point at Beckett Ridge 0 ft. The region operates in the UTC-5.