Hiram, Maine was settled in 1774 and incorporated as a legal town in 1814. In southern Oxford County, it is located 35 miles west/northwest of Portland, Maine. The Saco River and Ossipee Rivers flow through Hiram, which contains numerous ponds and streams, most notably Barker Pond, Clemons Pond, Stanley Pond, and Hancock Brook. 

​

Hiram is home to Mt. Cutler Park, a popular hiking trail, and Ten Mile River Demonstration Forest, a walking trail with a bog and native plants. Soldiers Memorial Library, a public library, was built in 1915. Its neighbor, Hiram Arts Center at 8 Hancock Avenue, was established in 2015 in a disused church built in 1885. 

​

Hiram Historical Society was founded in 1978 and is a 501c3 public charitable organization. It is located in Great Ossipee Museum (formerly Mt. Cutler School, a three-room public school built in 1883) at 20 Historical Ridge, Hiram, Maine.