Mount Joy, Pennsylvania Demographics & Population 2026
During the 2020–2024 ACS period, Mount Joy, Pennsylvania had a total population of 8,344, the 129th largest borough in Pennsylvania, with a median household income of $90,061, which is 16% higher than the state average. The poverty rate is 9.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Near full employment with an unemployment rate of just 1.3%.
Mount Joy Quick Facts
How Mount Joy 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 | 8,310 | 8,344 | +0.4% |
| Median household income | $84,514 | $90,061 | +6.6% |
| Median home value | $241,300 | $266,500 | +10.4% |
How Mount Joy 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+)
Mount Joy 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 |
| Leola | 7,448 | $91,154 | 4.8% | $339,200 |
| New Holland | 5,780 | $63,182 | 10.7% | $238,100 |
| Manheim | 5,027 | $81,273 | 16.2% | $246,400 |
Cities Similar to Mount Joy
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Brookhaven | 8,331 | $91,042 | $284,700 | 33.0% | 4.1% |
| Downingtown | 8,255 | $96,228 | $353,800 | 49.2% | 5.6% |
| Doylestown | 8,341 | $99,322 | $527,700 | 59.1% | 5.5% |
| Wilson | 8,183 | $82,902 | $210,700 | 23.4% | 10.5% |
| Northwest Harborcreek | 8,753 | $93,617 | $225,800 | 38.2% | 6.8% |
Population Overview
Mount Joy is a small city located in Pennsylvania, within Lancaster County. The total population is 8,344. It ranks as the 129th most populous out of 1,991 Census-designated places in Pennsylvania.
Age Demographics
The median age in Mount Joy is 39.5 years. This is 3% lower than the state median of 40.9 years.
Economy, Income & Housing
The median household income in Mount Joy is $90,061. This is 16% higher than the state median of $77,971. It is also 12% higher than the national median of $80,734. The poverty rate stands at 9.1%. This is 23% lower than the state poverty rate of 11.7%. The unemployment rate is 1.3%. This is 76% lower than the state rate of 5.3%. The median home value is $266,500. Housing costs are 5% higher than the state median of $254,500. The home-value-to-income ratio is 3.0x. 63.2% of occupied housing units are owner-occupied. This homeownership rate is 9% lower than the state average of 69.3%.
Race & Ethnicity
The largest racial or ethnic group in Mount Joy is White (non-Hispanic), making up 81.9% of the population. Hispanic or Latino residents account for 13.2%. The Black or African American population (0.9%) is well below the state average of 10.3%. The Hispanic or Latino population is significantly higher than the state average (13.2% vs 8.7%). The Asian population (1.1%) is well below the state average of 3.8%.
Education
33.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 4% 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 94.9%.
Data Sources & Methodology
All demographic data for Mount Joy, 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 Mount Joy, Pennsylvania?
Mount Joy, Pennsylvania has a population of 8,344 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Mount Joy, PA?
The median household income in Mount Joy is $90,061, which is 12% higher than the national median of $80,734.
What is the poverty rate in Mount Joy, PA?
The poverty rate in Mount Joy is 9.1%. This means approximately 748 residents live below the federal poverty line.
What is the racial makeup of Mount Joy, Pennsylvania?
Mount Joy's population is 81.9% White, 0.9% Black, 13.2% Hispanic/Latino, and 1.1% Asian.
What is the median home value in Mount Joy, PA?
The median home value in Mount Joy is $266,500. The home-value-to-income ratio is 3.0x.
How educated is Mount Joy, Pennsylvania?
33.7% of adults (25+) in Mount Joy hold a bachelor's degree or higher, and 11.7% hold a graduate or professional degree.