Sullivan County Flag

Sullivan County

State:
New Hampshire
County Seat:

Sullivan County's estimated 2025 population is 44,071 with a growth rate of 0.12% in the past year according to the most recent United States census data. Sullivan County is the 9th largest county in New Hampshire. The 2010 population was 43,744 and has seen a growth of 0.75% since that time.

44,071
Total Population
82
Population Density (mi²)
9
Population Rank (State)
51 0.12%
Annual Population Growth

Sullivan County Population

Sullivan County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Sullivan County includes 92.29% White, and smaller percentages for other race, Black or African American, Asian, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White40,17492.29%
Two or more races2,0434.69%
Other race6871.58%
Black or African American3710.85%
Asian2380.55%
Native Hawaiian or Pacific Islander90.02%
Native American70.02%

Sullivan County Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sullivan County's average per capita income is $50,384. Household income levels show a median of $75,929. The poverty rate stands at 10.8%.

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$108,298-
Families$96,832$119,883
Households$75,929$102,029
Non Families$43,329$68,139

$50,384

Average Income

$75,929

Median Household Income

10.8%

Poverty Rate