Sunbury Flag

Sunbury

County Seat:
Yes
Area (mi²):
2.007
State:
Pennsylvania

Sunbury is a city located in Northumberland County, Pennsylvania. Sunbury has a 2025 population of 9,511 . It is also the county seat of Northumberland County . Sunbury is currently declining at a rate of -0.4% annually and its population has decreased by -1.96% since the most recent census, which recorded a population of 9,701 in 2020.

The average household income in Sunbury is $62,852 with a poverty rate of 16.19%. The median age in Sunbury is 41.4 years: 37.9 years for males, and 45.1 years for females. For every 100 females there are 87.6 males.

9.5K
Total Population
4,740
Density (mi²)
-38 -0.4%
Growth

Sunbury Population

Sunbury Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Sunbury includes 85.07% White, 5.54% other race, and smaller percentages for Black or African American, Native American and multiracial populations.

Population by Race

White (85.07%)

Two or more races (6.48%)

Other race (5.54%)

Black or African American (2.9%)

Native American (0.01%)

Race
Population
Percentage (of total)
White8,20385.07%
Two or more races6256.48%
Other race5345.54%
Black or African American2802.9%
Native American10.01%

Sunbury Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sunbury's average per capita income is $35,262. Household income levels show a median of $48,509. The poverty rate stands at 16.19%.

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$75,556-
Families$61,696$77,942
Households$48,509$62,852
Non Families$29,125$36,527

$35,262

Average Income

$48,509

Median Household Income

16.19%

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)