Pen Mar, Pennsylvania Demographics & Population 2026
During the 2020–2024 ACS period, Pen Mar, Pennsylvania had a total population of 1,171, the 913th largest community in Pennsylvania, with a median household income of $117,825, which is 51% higher than the state average. The poverty rate is 1.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 51% above the state average — one of the wealthiest communities in Pennsylvania.
- An exceptionally low poverty rate of 1.1% — among the lowest in Pennsylvania.
- Housing is very affordable with a home-value-to-income ratio of just 2.3x.
Pen Mar Quick Facts
How Pen Mar 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 | 1,338 | 1,171 | -12.5% |
| Median household income | $117,010 | $117,825 | +0.7% |
| Median home value | $264,100 | $270,300 | +2.3% |
How Pen Mar 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+)
Pen Mar Rankings in Pennsylvania
Explore Pennsylvania Rankings
Other Cities in Franklin County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Chambersburg | 22,319 | $56,576 | 15.3% | $215,000 |
| Waynesboro | 11,047 | $66,956 | 10.2% | $188,600 |
| Greencastle | 4,222 | $77,419 | 6.9% | $264,500 |
| Guilford | 3,919 | $123,962 | 1.6% | $278,100 |
| Wayne Heights | 3,293 | $83,700 | 4.5% | $250,100 |
| State Line | 3,111 | $85,913 | 7.8% | $289,800 |
| Fayetteville | 2,593 | $58,819 | 4.3% | $194,900 |
| Mercersburg | 1,725 | $66,114 | 10.4% | $210,700 |
| Mont Alto | 1,632 | $80,556 | 10.0% | $191,600 |
| Scotland | 1,492 | $70,096 | 14.9% | $214,000 |
Cities Similar to Pen Mar
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Cherryville | 1,159 | $104,271 | $366,700 | 34.2% | 2.8% |
| Ramblewood | 1,092 | $115,568 | $269,500 | 46.2% | 7.0% |
| Atglen | 1,272 | $120,417 | $338,800 | 31.8% | 13.8% |
| Rennerdale | 1,067 | $120,167 | $325,300 | 42.2% | 7.0% |
| DeSales University | 1,052 | N/A | N/A | 100.0% | 85.7% |
Population Overview
Pen Mar is a small community located in Pennsylvania, within Franklin County. The total population is 1,171. It ranks as the 913th most populous out of 1,991 Census-designated places in Pennsylvania.
Age Demographics
The median age in Pen Mar is 35.4 years. This is 13% lower than the state median of 40.9 years. With 31.3% of the population under 18, Pen Mar has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Pen Mar is $117,825. This is 51% higher than the state median of $77,971. It is also 46% higher than the national median of $80,734. The poverty rate stands at 1.1%. This is 91% lower than the state poverty rate of 11.7%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 4.2%. This is 21% lower than the state rate of 5.3%. The median home value is $270,300. Housing costs are 6% higher than the state median of $254,500. With a home-value-to-income ratio of just 2.3x, Pen Mar is one of the most affordable housing markets in the area. 92.9% of occupied housing units are owner-occupied. This homeownership rate is 34% higher than the state average of 69.3%.
Race & Ethnicity
Pen Mar has a predominantly White (non-Hispanic) population, comprising 90.1% of all residents. Black or African American residents account for 3.3%. The Black or African American population (3.3%) is well below the state average of 10.3%. The Hispanic or Latino population (2.6%) is well below the state average of 8.7%.
Education
29.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 16% 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 86.3%.
Data Sources & Methodology
All demographic data for Pen Mar, 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 Pen Mar, Pennsylvania?
Pen Mar, Pennsylvania has a population of 1,171 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Pen Mar, PA?
The median household income in Pen Mar is $117,825, which is 46% higher than the national median of $80,734.
What is the poverty rate in Pen Mar, PA?
The poverty rate in Pen Mar is 1.1%. This means approximately 13 residents live below the federal poverty line.
What is the racial makeup of Pen Mar, Pennsylvania?
Pen Mar's population is 90.1% White, 3.3% Black, 2.6% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Pen Mar, PA?
The median home value in Pen Mar is $270,300. The home-value-to-income ratio is 2.3x.
How educated is Pen Mar, Pennsylvania?
29.4% of adults (25+) in Pen Mar hold a bachelor's degree or higher, and 7.7% hold a graduate or professional degree.