- Laconia (Population: 16,411)
- Lancaster (Population: 3,280)
- Lebanon (Population: 12,568)
- Lee (Population: 4,145)
- Lincoln (Population: 1,271)
- Lisbon (Population: 1,587)
- Litchfield (Population: 7,360)
- Littleton (Population: 5,845)
- Londonderry (Population: 23,236)
- Loudon (Population: 4,481)
- Lyme (Population: 1,679)
- Lyndeborough (Population: 1,585)
