The Cattaraugus County Legislative District 1 represents the following municipalities:

• Town of Dayton (2010 Census pop. 1,886)
• Town of New Albion (2010 Census pop. 1,972)
• Town of Otto (2010 Census pop. 808)
• Town of Perrysburg (2010 Census pop. 1,626)
• Town of Persia (2010 Census pop. 2,404)
• Portion of Cattaraugus Territory of the Seneca Nation of Indians

The Cattaraugus County Legislative District 2 represents the following municipalities:

• Town of Ashford (2010 Census Pop. 2,132)
• Town of East Otto (2010 Census Pop. 1,062)
• Town of Freedom (2010 Census Pop. 2,405)
• Town of Yorkshire (2010 Census Pop. 3,913)

The Cattaraugus County Legislative District 3 represents the following municipalities:

• Town of Ellicottville (2010 Census Pop. 1,576)
• Town of Farmersville (2010 Census Pop. 1,090)
• Town of Franklinville (2010 Census Pop. 2,990)
• Town of Lyndon (2010 Census Pop. 707)
• Town of Machias (2010 Census Pop. 2,375)
• Town of Mansfield (2010 Census Pop. 808)

The Cattaraugus County Legislative District 4 represents the following municipalities:

• Town of Conewango (2010 Census pop. 1,857)
• Town of Leon (2010 Census pop. 1,365)
• Town of Little Valley (2010 Census pop. 1,740)
• Town of Napoli (2010 Census pop. 1,248)
• Town of Randolph (2010 Census pop. 2,602)
• Town of South Valley (2010 Census pop. 264)
• Portion of Allegany Territory of the Seneca Nation of Indians

The Cattaraugus County Legislative District 5 represents the following municipalities:

• Town of Coldspring (2010 Census pop. 663)
• Town of Great Valley (2010 Census pop. 1,974)
• Town of Red House (2010 Census pop. 38)
• City of Salamanca (2010 Census pop. 5,815)
• Town of Salamanca (2010 Census pop. 481)
• Portion of Allegany Territory of the Seneca Nation of Indians (population of ~871)

The Cattaraugus County Legislative District 6 represents the following municipalities:

• Town of Allegany (2010 Census pop. 8,004)
• Town of Carrollton (2010 Census pop. 1,297)
• Portion of Allegany Territory of the Seneca Nation of Indians ()

The Cattaraugus County Legislative District 7 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)

The Cattaraugus County Legislative District 8 represents the following municipalities:

• City of Olean (2010 pop.: 14,452)