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

Sullivan Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Sullivan includes 88.13% White, and smaller percentages for Asian, other race and multiracial populations.

Population by Race

White (88.1%)

Two or more races (8.0%)

Asian (2.6%)

Other race (1.3%)

Race
Population
Percentage (of total)
White61688.13%
Two or more races568.01%
Asian182.58%
Other race91.29%

Sullivan Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sullivan's average per capita income is $49,792. Household income levels show a median of $95,625. The poverty rate stands at 4.15%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$106,442-
Families$105,438$124,787
Households$95,625$108,265
Non Families$43,750$57,258

$49,792

Average Income

$95,625

Median Household Income

4.15%

Poverty Rate

Nearby Cities

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)