Columbia

County:: Coos County
County Seat:: No
Area (mi²):: 60.775
State:: New Hampshire

Columbia is located in Coos County, New Hampshire. Columbia has a 2025 population of 676. Columbia is currently growing at a rate of 0.75% annually and its population has increased by 2.27% since the most recent census, which recorded a population of 661 in 2020.

The average household income in Columbia is $81,805 with a poverty rate of 11.83%. The median age in Columbia is 48.4 years: 41.3 years for males, and 51.5 years for females.

Demographics

The racial composition of Columbia includes 95.92% White, and smaller percentages for Black or African American, other race, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	681	95.92%
Two or more races	24	3.38%
Black or African American	4	0.56%
Other race	1	0.14%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Columbia Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Columbia's average per capita income is $45,000. Household income levels show a median of $59,750. The poverty rate stands at 11.83%.

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	$83,015	-
Families	$73,500	$100,079
Households	$59,750	$81,805
Non Families	$41,375	$45,594

$45,000

Average Income

$59,750

Median Household Income

11.83%

Poverty Rate