Belfast Flag

Belfast

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

Belfast is a CDP located in Northampton County, Pennsylvania. Belfast has a 2026 population of 1,235. Belfast is currently declining at a rate of -0.08% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Belfast is $77,647 with a poverty rate of 9.09%. The median age in Belfast is 46.8 years: 45.5 years for males, and 58.1 years for females. For every 100 females there are 108.0 males.

1.2K
Total Population
1,005
Density (mi²)
-1 -0.08%
Growth

Belfast Population

Belfast Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,235-1-0.08%
20251,236-2-0.16%

Median Age

Overall: 46.8 years
Female: 58.1 years
Male: 45.5 years

Belfast Adults

There are 905 adults, (222 of whom are seniors) in Belfast.

Sex Ratio

Female: 550 (48.1%)
Male: 594 (51.9%)

Demographics

The racial composition of Belfast includes 92.57% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,05992.57%
Two or more races857.43%
Race
Population ↓
Percentage (of total)
White1,05992.57%
Two or more races857.43%

Belfast Marital Status

Economics and Income Statistics

Belfast 's average per capita income is $54,338. Household income levels show a median of $77,647. The poverty rate stands at 9.09%.

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$122,690-
Families$96,912$92,903
Households$77,647$87,300
Non Families$28,125$59,311

$54,338

Average Income

$77,647

Median Household Income

9.09%

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)