There are 4 cities in Sullivan County, New Hampshire.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Claremont1New Hampshire13,28712,9450.52%30843.15
Newport2New Hampshire5,2285,530 39413.26
Charlestown3New Hampshire934933 1,1470.81
Plainfield4New Hampshire179265 3100.58
showing: 4 rows

Cities in Sullivan County, New Hampshire by Population (2024)

What is the largest city in Sullivan County, New Hampshire?

Claremont is the largest city in Sullivan County.

What is the smallest city in Sullivan County, New Hampshire?

Plainfield is the smallest city in Sullivan County.

How many cities are in Sullivan County?

There are 4 cities in Sullivan County, New Hampshire.

Frequently Asked Questions