Sullivan County, New Hampshire Cities (2024)

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Claremont113,07612,950-0.27%30343.2City
Newport26,4316,3030.33%14843.6Town
Charlestown34,9744,8040.71%13935.8Town
Grantham43,4813,4060.09%12827.2Town
Sunapee53,4573,3470.32%16421.1Town
Plainfield62,5452,4620.12%4952.2Town
Cornish71,6451,614-0.12%3942.0Town
Unity81,5091,508-0.26%4137.0Town
Springfield91,3261,2560.68%3043.6Town
Washington101,2001,193-0.41%2645.7Town
Lempster111,1541,1160.09%3632.3Town

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

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?

Lempster is the smallest city in Sullivan County.

How many cities are in Sullivan County?

There are 11 cities in Sullivan County, New Hampshire.

Frequently Asked Questions