Mars, Pennsylvania Demographics & Population 2026
During the 2020–2024 ACS period, Mars, Pennsylvania had a total population of 1,285, the 866th largest borough in Pennsylvania, with a median household income of $50,938, which is 35% lower than the state average. The poverty rate is 10.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 35% below the state average, indicating significant economic challenges.
- Near full employment with an unemployment rate of just 1.0%.
Mars Quick Facts
How Mars 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 | 1,255 | 1,285 | +2.4% |
| Median household income | $58,000 | $50,938 | -12.2% |
| Median home value | $286,200 | $294,100 | +2.8% |
How Mars 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+)
Mars Rankings in Pennsylvania
Explore Pennsylvania Rankings
Other Cities in Butler County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Butler | 13,212 | $44,247 | 21.4% | $108,100 |
| Homeacre-Lyndora | 6,783 | $74,217 | 11.0% | $202,800 |
| Shanor-Northvue | 5,125 | $95,379 | 4.9% | $259,900 |
| Meridian | 3,837 | $79,191 | 3.3% | $244,000 |
| Zelienople | 3,827 | $68,110 | 6.3% | $294,200 |
| Slippery Rock | 3,495 | $52,262 | 33.8% | $255,400 |
| Seven Fields | 2,884 | $114,000 | 0.6% | $409,700 |
| Slippery Rock University | 2,853 | N/A | 100.0% | N/A |
| Meadowood | 2,644 | $68,750 | 5.9% | $189,700 |
| Oak Hills | 2,513 | $90,926 | 6.5% | $285,800 |
Cities Similar to Mars
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Waterford | 1,301 | $51,250 | $167,600 | 19.8% | 16.1% |
| North Charleroi | 1,316 | $51,324 | $93,500 | 19.1% | 20.2% |
| St. Vincent College | 1,326 | N/A | N/A | 78.0% | 58.7% |
| Susquehanna Depot | 1,297 | $54,500 | $82,700 | 13.3% | 24.2% |
| Albion | 1,277 | $55,556 | $141,100 | 21.4% | 13.1% |
Population Overview
Mars is a small community located in Pennsylvania, within Butler County. The total population is 1,285. It ranks as the 866th most populous out of 1,991 Census-designated places in Pennsylvania.
Age Demographics
The median age in Mars is 54.8 years. This is 34% higher than the state median of 40.9 years. Only 13.7% of residents are under 18, indicating fewer families with children. 21.3% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Mars is $50,938. This is 35% lower than the state median of $77,971. It is also 37% lower than the national median of $80,734. The poverty rate stands at 10.0%. This is 15% lower than the state poverty rate of 11.7%. The unemployment rate is 1.0%. This is 81% lower than the state rate of 5.3%. The median home value is $294,100. Housing costs are 16% higher than the state median of $254,500. The home-value-to-income ratio is 5.8x. 56.4% of occupied housing units are owner-occupied. This homeownership rate is 19% lower than the state average of 69.3%.
Race & Ethnicity
Mars has a predominantly White (non-Hispanic) population, comprising 90.2% of all residents. Hispanic or Latino residents account for 8.3%. The Black or African American population (0.5%) is well below the state average of 10.3%.
Education
25.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 27% 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 90.5%.
Data Sources & Methodology
All demographic data for Mars, 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 Mars, Pennsylvania?
Mars, Pennsylvania has a population of 1,285 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Mars, PA?
The median household income in Mars is $50,938, which is 37% lower than the national median of $80,734.
What is the poverty rate in Mars, PA?
The poverty rate in Mars is 10.0%. This means approximately 112 residents live below the federal poverty line.
What is the racial makeup of Mars, Pennsylvania?
Mars's population is 90.2% White, 0.5% Black, 8.3% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Mars, PA?
The median home value in Mars is $294,100. The home-value-to-income ratio is 5.8x.
How educated is Mars, Pennsylvania?
25.7% of adults (25+) in Mars hold a bachelor's degree or higher, and 13.8% hold a graduate or professional degree.