Marietta, Pennsylvania Demographics & Population 2026
During the 2020–2024 ACS period, Marietta, Pennsylvania had a total population of 2,886, the 493rd largest borough in Pennsylvania, with a median household income of $54,167, which is 31% lower than the state average. The poverty rate is 7.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 31% below the state average, indicating significant economic challenges.
Marietta Quick Facts
How Marietta 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 | 2,827 | 2,886 | +2.1% |
| Median household income | $56,204 | $54,167 | -3.6% |
| Median home value | $206,700 | $211,600 | +2.4% |
How Marietta 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
Moderate diversity with one or two groups making up the majority.
State average: 45 | National average: 61
Education
Educational Attainment (Adults 25+)
Marietta Rankings in Pennsylvania
Explore Pennsylvania Rankings
Other Cities in Lancaster County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Lancaster | 57,719 | $63,690 | 20.3% | $219,500 |
| Ephrata | 13,772 | $69,735 | 7.9% | $224,400 |
| Elizabethtown | 11,925 | $76,105 | 7.6% | $238,700 |
| Columbia | 10,278 | $54,437 | 21.4% | $196,500 |
| Willow Street | 9,647 | $109,675 | 3.3% | $314,700 |
| Lititz | 9,619 | $88,576 | 4.1% | $299,900 |
| Millersville | 8,982 | $67,866 | 23.1% | $277,600 |
| Mount Joy | 8,344 | $90,061 | 9.1% | $266,500 |
| Leola | 7,448 | $91,154 | 4.8% | $339,200 |
| New Holland | 5,780 | $63,182 | 10.7% | $238,100 |
Cities Similar to Marietta
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Slippery Rock University | 2,853 | N/A | N/A | 0.0% | 100.0% |
| Ford City | 2,813 | $57,971 | $84,400 | 11.8% | 17.4% |
| Highspire | 2,732 | $52,618 | $144,700 | 13.2% | 14.3% |
| Towanda | 2,791 | $60,888 | $166,900 | 23.8% | 12.6% |
| Pleasant Hill | 3,128 | $55,676 | $191,700 | 20.1% | 21.5% |
Population Overview
Marietta is a small community located in Pennsylvania, within Lancaster County. The total population is 2,886. It ranks as the 493rd most populous out of 1,991 Census-designated places in Pennsylvania.
Age Demographics
The median age in Marietta is 45.5 years. This is 11% higher than the state median of 40.9 years. Only 14.1% of residents are under 18, indicating fewer families with children.
Economy, Income & Housing
The median household income in Marietta is $54,167. This is 31% lower than the state median of $77,971. It is also 33% lower than the national median of $80,734. The poverty rate stands at 7.3%. This is 38% lower than the state poverty rate of 11.7%. The unemployment rate is 2.9%. This is 44% lower than the state rate of 5.3%. The median home value is $211,600. Housing costs are 17% lower than the state median of $254,500. The home-value-to-income ratio is 3.9x. 61.7% of occupied housing units are owner-occupied. This homeownership rate is 11% lower than the state average of 69.3%.
Race & Ethnicity
The largest racial or ethnic group in Marietta is White (non-Hispanic), making up 74.8% of the population. Hispanic or Latino residents account for 7.9%. The Black or African American population (3.6%) is well below the state average of 10.3%. The Asian population (1.2%) is well below the state average of 3.8%.
Education
21.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 39% 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 87.3%.
Data Sources & Methodology
All demographic data for Marietta, 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 Marietta, Pennsylvania?
Marietta, Pennsylvania has a population of 2,886 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Marietta, PA?
The median household income in Marietta is $54,167, which is 33% lower than the national median of $80,734.
What is the poverty rate in Marietta, PA?
The poverty rate in Marietta is 7.3%. This means approximately 210 residents live below the federal poverty line.
What is the racial makeup of Marietta, Pennsylvania?
Marietta's population is 74.8% White, 3.6% Black, 7.9% Hispanic/Latino, and 1.2% Asian.
What is the median home value in Marietta, PA?
The median home value in Marietta is $211,600. The home-value-to-income ratio is 3.9x.
How educated is Marietta, Pennsylvania?
21.5% of adults (25+) in Marietta hold a bachelor's degree or higher, and 7.8% hold a graduate or professional degree.