Belfast Flag

Belfast

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

Belfast is located in Waldo County, Maine. Belfast has a 2025 population of 6,990 . It is also the county seat of Waldo County . Belfast is currently declining at a rate of -0.04% annually but its population has increased by 0.6% since the most recent census, which recorded a population of 6,948 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. For every 100 females there are 80.9 males.

7K
Total Population
205
Density (mi²)
-3 -0.04%
Growth

Belfast Population

Belfast Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

White (87.77%)

Two or more races (7.36%)

Other race (2.53%)

Black or African American (1.88%)

Asian (0.46%)

Race
Population
Percentage (of total)
White6,13187.77%
Two or more races5147.36%
Other race1772.53%
Black or African American1311.88%
Asian320.46%

Belfast Marital Status

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

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

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)