Sullivan Flag

Sullivan

County:
Cheshire County
County Seat:
No
Area (mi²):
18.537
State:
New Hampshire

Sullivan is located in Cheshire County, New Hampshire. Sullivan has a 2025 population of 702. Sullivan is currently growing at a rate of 1.45% annually and its population has increased by 6.85% since the most recent census, which recorded a population of 657 in 2020.

The average household income in Sullivan is $108,265 with a poverty rate of 4.15%.The median age in Sullivan is 46.8 years: 46.5 years for males, and 46.9 years for females.

702
Total Population
38
Density (mi²)
10 1.45%
Growth

Sullivan Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)