Martinsburg Junction, Pennsylvania Demographics & Population 2026
During the 2020–2024 ACS period, Martinsburg Junction, Pennsylvania had a total population of 8, the 1987th largest community in Pennsylvania. The poverty rate is 0.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- 100.0% of adults hold a bachelor's degree or higher — top 10% in Pennsylvania.
Martinsburg Junction Quick Facts
How Martinsburg Junction 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 | 22 | 8 | -63.6% |
How Martinsburg Junction Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
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+)
Martinsburg Junction Rankings in Pennsylvania
Explore Pennsylvania Rankings
Other Cities in Blair County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Altoona | 43,196 | $51,250 | 16.6% | $119,900 |
| Hollidaysburg | 5,558 | $69,458 | 8.2% | $196,100 |
| Tyrone | 5,377 | $57,226 | 11.5% | $139,800 |
| Greenwood | 2,853 | $73,250 | 4.9% | $140,300 |
| Penn Farms | 2,508 | $89,867 | 3.9% | $348,900 |
| Roaring Spring | 2,335 | $62,738 | 13.4% | $142,200 |
| Loop | 2,039 | $91,818 | 4.7% | $245,300 |
| Martinsburg | 1,741 | $71,307 | 8.5% | $157,200 |
| Bellwood | 1,691 | $52,305 | 16.3% | $145,700 |
| Lakemont | 1,644 | $52,955 | 13.1% | $157,100 |
Cities Similar to Martinsburg Junction
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Beavertown | 10 | N/A | N/A | 71.4% | 0.0% |
| Ronco | 10 | N/A | N/A | 0.0% | 100.0% |
| S.N.P.J. | 10 | N/A | N/A | 10.0% | 0.0% |
| Millerstown | 5 | N/A | N/A | 0.0% | 100.0% |
| Strong | 14 | N/A | N/A | 50.0% | 0.0% |
A note before these figures: with a population of 8, Martinsburg Junction's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Martinsburg Junction is a small community located in Pennsylvania, within Blair County. The total population is 8. It ranks as the 1987th most populous out of 1,991 Census-designated places in Pennsylvania.
Age Demographics
100.0% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The ACS records no residents below the poverty line in Martinsburg Junction. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 44% higher than the state average of 69.3%.
Race & Ethnicity
Every resident counted in Martinsburg Junction was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.
Education
100.0% of residents aged 25 and older hold a bachelor's degree or higher. This places Martinsburg Junction in the top 10% of all cities in the state for educational attainment. This is 184% higher than the state rate of 35.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample.
Data Sources & Methodology
All demographic data for Martinsburg Junction, 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 Martinsburg Junction, Pennsylvania?
Martinsburg Junction, Pennsylvania has a population of 8 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Martinsburg Junction, PA?
The Census Bureau does not publish a reliable median household income estimate for Martinsburg Junction — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in Martinsburg Junction, PA?
The ACS sample for Martinsburg Junction recorded no residents below the federal poverty line. Because the community is small, this indicates that the survey did not capture poverty here rather than that no poverty exists — the estimate carries a wide margin of error.
What is the racial makeup of Martinsburg Junction, Pennsylvania?
Martinsburg Junction's population is 100.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Martinsburg Junction, PA?
The Census Bureau does not publish a reliable median home value estimate for Martinsburg Junction — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Martinsburg Junction, Pennsylvania?
100.0% of adults (25+) in Martinsburg Junction hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.