The Cattaraugus County Legislative District 7 (2016-2023) represents the following municipalities:
- Town of Ischua (2010 Census Pop.: 859)
- Town of Hinsdale (2010 Census Pop.: 2,168)
- Town of Humphrey (2010 Census Pop.: 687)
- Town of Olean (Excludes City of Olean) (Census 2010 Pop.: 1,963)
- Town of Portville (2010 Census Pop.: 3,730)