Lewis County communities
- Castorland (village)
- Constableville (village)
- Copenhagen (village)
- Croghan (town)
- Croghan (village)
- Denmark (town)
- Diana (town)
- Greig (town)
- Harrisburg (town)
- Lewis (town)
- Leyden (town)
- Lowville (town)
- Lowville (village)
- Lyons Falls (village)
- Lyonsdale (town)
- Martinsburg (town)
- Montague (town)
- New Bremen (town)
- Osceola (town)
- Pinckney (town)
- Port Leyden (village)
- Turin (town)
- Turin (village)
- Watson (town)
- West Turin (town)