- Dryden Historic District [ Dryden Village ]
- Maple Ridge [ Dryden Village ]
- Cornell Heights Historic District [ Ithaca City ]
- DeWitt Park Historic District [ Ithaca City ]
- East Hill Historic District [ Ithaca City ]
- Forest Home Historic District [ Ithaca Town ]
- Applegate Corner [ Enfield Town ]
- Asbury [ Lansing Town ]
- Belle Sherman [ Ithaca Town ]
- Besemet [ Caroline Town ]
- Bethel Grove [ Dryden Town ]
- Bostwick Corners [ Enfield Town ]
- Brooktondale [ Caroline Town ]
- Caroline Center [ Caroline Town ]
- Caroline Depot [ Caroline Town ]
- Chase Farm [ Ithaca Town ]
- Clinton Block [ Ithaca City ]
- Cornell Arts Quad [ Ithaca City ]
- Cornell Heights [ Ithaca City ]
- Danby [ Danby Town ]
- Deer Run [ Ithaca Town ]
- East Hill [ Ithaca City ]
- East Lansing [ Lansing Town ]
- Eastern Heights [ Ithaca Town ]
- Eastwood Commons [ Ithaca Town ]
- Ellis Hollow [ Dryden Town ]
- Ellis [ Dryden Town ]
- Enfield [ Enfield Town ]
- Etna [ Dryden Town ]
- Hayt Corner [ Enfield Town ]
- Hibbards Corner [ Dryden Town ]
- Lansingville [ Lansing Town ]
- Ludlowville [ Lansing Town ]
- Newfield [ Newfield Town ]
- North Lansing [ Lansing Town ]
- Renwick Heights [ Ithaca Town ]
- Renwick Heights [ Ithaca Town ]
- Sapsucker Woods [ Dryden Town ]
- Saunders Pond [ Ithaca Town ]
- Slaterville Springs [ Caroline Town ]
- South Danby [ Danby Town ]
- South Hill [ Ithaca Town ]
- Southwoods [ Ithaca Town ]
- Speedsville [ Caroline Town ]
- Trumbull Corners [ Newfield Town ]
- University Hill [ Ithaca City ]
- Van Dorn Corner [ Enfield Town ]
- Varna [ Dryden Town ]
- West Danby [ Danby Town ]
- West Dryden [ Dryden Town ]
- West Hill [ Ithaca Town ]
- West Slaterville [ Caroline Town ]
- Westview [ Ithaca Town ]
- White Church [ Caroline Town ]
- Willow Glen [ Dryden Town ]