Belfast Flag

Belfast

County Seat:
No
Area (mi²):
1.229
State:
Pennsylvania

Belfast is a CDP located in Northampton County, Pennsylvania. Belfast has a 2025 population of 1,232. Belfast is currently declining at a rate of -0.16% annually and its population has decreased by -5.59% since the most recent census, which recorded a population of 1,305 in 2020.

The average household income in Belfast is $87,551 with a poverty rate of 10.33%.The median age in Belfast is 44.7 years: 44.3 years for males, and 46 years for females.

1.2K
Total Population
1,002
Density (mi²)
-2 -0.16%
Growth

Belfast Population

Belfast Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Belfast includes 94.67% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White1,17394.67%
Two or more races665.33%

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 $57,946. Household income levels show a median of $73,036. The poverty rate stands at 10.33%.

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$121,012-
Families$110,433$100,395
Households$73,036$87,551
Non Families$41,544$55,295

$57,946

Average Income

$73,036

Median Household Income

10.33%

Poverty Rate

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)