Named for Alexander Hamilton, and was one of the four original townships in the county, created in May 1803.

Hamilton Township is one of 11 townships in Warren County located in the south central portion of the county. It is the fastest growing area of Warren County; the population is expected to double by 2010. With easy interstate access, its wide open spaces are being developed with new subdivisions opening each year. Hamilton Township houses the villages of Maineville, Zoar, Cozaddale, Murdock, Hopkinsville, Dallasburg and Fosters. Parts of the township have been annexed by South Lebanon in the north, and Loveland in the south.

Major roads through the township are U.S. Rt. 22/St. Rt. 3 (also know as the 3C Highway), and St. Rt. 48.

The Hamilton Township Fire Department provides EMS service to the township residents. A few minutes south on I-71 is Bethesda North Hospital, one of the area’s busiest hospitals. The recently opened Bethesda Medical Center at Arrow Springs in the northern part of the township offers the region state-of-the-art outpatient medical care, including 24-hour emergency services and comprehensive diagnostic testing. Across the county is Atrium Medical Center. Children’s Hospital Medical Center offers a regional campus just a short drive in nearby Mason.

Heading north in the township, the Rivers Crossing Retail Park offers convenient shopping to township residents and its planned Phase Two expansion will make it one of the largest shopping destinations in the region. Heading west to Mason or south to Loveland offers shoppers numerous food and retail options, with major shopping malls about a 10 minute drive.

One of the busiest places in the township is Testerman Park, used by baseball, soccer, football teams. The Little Miami Bike Trail is busy nearly all year round by bikers and hikers. Warren County calls itself Ohio’s largest playground, with tourism the regions biggest draw; residents choose Hamilton Township for its easy access to the regions numerous activities.