- Kaser (Population: 3,316)
- Keene (Population: 1,063)
- Keeseville (Population: 1,850)
- Kendall (Population: 2,838)
- Kenmore (Population: 16,426)
- Kensington (Population: 1,209)
- Kent (Population: 14,009)
- Kerhonkson (Population: 1,732)
- Kiantone (Population: 1,385)
- Kinderhook (Population: 8,296)
- Kings Park (Population: 16,146)
- Kings Point (Population: 5,076)
- Kingsbury (Population: 11,171)
- Kingston (Population: 23,456)
- Kirkland (Population: 10,138)
- Kiryas Joel (Population: 13,138)
- Knox (Population: 2,647)
- Kortright (Population: 1,633)
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