Belfast

County:: Waldo County
County Seat:: Yes
Area (mi²):: 34.051
State:: Maine

Belfast is a city located in Waldo County, Maine. Belfast has a 2025 population of 7,152. It is also the county seat of Waldo County. Belfast is currently growing at a rate of 0.59% annually and its population has increased by 3% since the most recent census, which recorded a population of 6,944 in 2020.

The average household income in Belfast is $92,563 with a poverty rate of 18.16%. The median age in Belfast is 56.7 years: 54.6 years for males, and 60.4 years for females.

Demographics

The racial composition of Belfast includes 87.77% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	6,131	87.77%
Two or more races	514	7.36%
Other race	177	2.53%
Black or African American	131	1.88%
Asian	32	0.46%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Belfast Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Belfast's average per capita income is $47,083. Household income levels show a median of $61,322. The poverty rate stands at 18.16%.

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	$94,914	-
Families	$74,476	$113,592
Households	$61,322	$92,563
Non Families	$35,860	$57,594

$47,083

Average Income

$61,322

Median Household Income

18.16%

Poverty Rate