Williamstown Flag

Williamstown

County:
Dauphin County
County Seat:
No
Area (mi²):
0.259
State:
Pennsylvania

Williamstown is a borough located in Dauphin County, Pennsylvania. Williamstown has a 2025 population of 1,285. Williamstown is currently declining at a rate of -0.31% annually and its population has decreased by -1.46% since the most recent census, which recorded a population of 1,304 in 2020.

The average household income in Williamstown is $66,255 with a poverty rate of 22.16%.The median age in Williamstown is 40.8 years: 41.8 years for males, and 39.4 years for females.

1.3K
Total Population
4,957
Density (mi²)
-4 -0.31%
Growth

Williamstown Population

Williamstown Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Williamstown includes 86.66% White, 6.28% Black or African American, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White1,11786.66%
Black or African American816.28%
Two or more races796.13%
Other race120.93%

Williamstown Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Williamstown's average per capita income is $46,354. Household income levels show a median of $61,875. The poverty rate stands at 22.16%.

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$91,250-
Families$66,786$72,257
Households$61,875$66,255
Non Families$41,429$46,676

$46,354

Average Income

$61,875

Median Household Income

22.16%

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)