Williamstown, Pennsylvania Demographics & Population 2026
During the 2020–2024 ACS period, Williamstown, Pennsylvania had a total population of 1,345, the 844th largest borough in Pennsylvania, with a median household income of $61,757, which is 21% lower than the state average. The poverty rate is 22.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 1.6x.
- Unemployment rate of 11.7% is notably above the national average.
Williamstown Quick Facts
How Williamstown Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 1,289 | 1,345 | +4.3% |
| Median household income | $61,875 | $61,757 | -0.2% |
| Median home value | $95,200 | $100,700 | +5.8% |
How Williamstown Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 45 | National average: 61
Education
Educational Attainment (Adults 25+)
Williamstown Rankings in Pennsylvania
Explore Pennsylvania Rankings
Other Cities in Dauphin County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Harrisburg | 50,287 | $48,099 | 30.5% | $124,200 |
| Colonial Park | 18,032 | $73,105 | 9.9% | $231,100 |
| Hershey | 14,242 | $78,587 | 17.6% | $379,200 |
| Progress | 11,017 | $73,030 | 10.4% | $202,500 |
| Middletown | 9,632 | $55,765 | 12.4% | $161,600 |
| Linglestown | 6,957 | $92,558 | 4.2% | $259,400 |
| Rutherford | 6,890 | $83,636 | 8.3% | $214,200 |
| Steelton | 6,296 | $58,194 | 19.6% | $134,800 |
| Lawnton | 4,765 | $84,861 | 2.5% | $222,600 |
| Skyline View | 4,704 | $97,982 | 2.6% | $299,600 |
Cities Similar to Williamstown
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| New Beaver | 1,343 | $61,417 | $135,600 | 12.5% | 6.6% |
| Clay | 1,362 | N/A | $277,400 | 13.7% | 11.3% |
| St. Vincent College | 1,326 | N/A | N/A | 78.0% | 58.7% |
| Oakland (Lawrence County) | 1,330 | $63,372 | $125,800 | 26.4% | 7.8% |
| Republic | 1,332 | $59,866 | $141,300 | 17.7% | 10.2% |
Population Overview
Williamstown is a small community located in Pennsylvania, within Dauphin County. The total population is 1,345. It ranks as the 844th most populous out of 1,991 Census-designated places in Pennsylvania.
Age Demographics
The median age in Williamstown is 36.1 years. This is 12% lower than the state median of 40.9 years. With 28.4% of the population under 18, Williamstown has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Williamstown is $61,757. This is 21% lower than the state median of $77,971. It is also 24% lower than the national median of $80,734. The poverty rate stands at 22.7%. This is 93% higher than the state poverty rate of 11.7%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 11.7%. This is 122% higher than the state rate of 5.3%. The median home value is $100,700. Housing costs are 60% lower than the state median of $254,500. With a home-value-to-income ratio of just 1.6x, Williamstown is one of the most affordable housing markets in the area. 62.6% of occupied housing units are owner-occupied. This homeownership rate is 10% lower than the state average of 69.3%.
Race & Ethnicity
Williamstown has a predominantly White (non-Hispanic) population, comprising 86.8% of all residents. Hispanic or Latino residents account for 7.7%. The Black or African American population (3.0%) is well below the state average of 10.3%.
Education
11.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 67% lower than the state rate of 35.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 86.0%.
Data Sources & Methodology
All demographic data for Williamstown, Pennsylvania is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Pennsylvania state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,991 Census-designated places in Pennsylvania. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Williamstown, Pennsylvania?
Williamstown, Pennsylvania has a population of 1,345 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Williamstown, PA?
The median household income in Williamstown is $61,757, which is 24% lower than the national median of $80,734.
What is the poverty rate in Williamstown, PA?
The poverty rate in Williamstown is 22.7%. This means approximately 304 residents live below the federal poverty line.
What is the racial makeup of Williamstown, Pennsylvania?
Williamstown's population is 86.8% White, 3.0% Black, 7.7% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Williamstown, PA?
The median home value in Williamstown is $100,700. The home-value-to-income ratio is 1.6x.
How educated is Williamstown, Pennsylvania?
11.7% of adults (25+) in Williamstown hold a bachelor's degree or higher, and 1.8% hold a graduate or professional degree.