Delaware County, Pennsylvania Demographics 2026
Delaware County, Pennsylvania has a population of 579,222, the 5th most populous county in Pennsylvania. The median household income is $89,546 and the median home value is $332,200. The poverty rate is 10.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Delaware County Quick Facts
How Delaware County 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 | 576,195 | 579,222 | +0.5% |
| Median household income | $88,576 | $89,546 | +1.1% |
| Median home value | $302,400 | $332,200 | +9.9% |
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 diverse community with significant representation from multiple racial and ethnic groups.
State average: 45 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Delaware County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Chester | 33,619 | $41,342 | 29.0% | $83,100 |
| Drexel Hill | 30,451 | $88,168 | 7.8% | $266,400 |
| Yeadon | 12,181 | $49,759 | 12.6% | $182,800 |
| Lansdowne | 11,122 | $73,232 | 11.8% | $210,500 |
| Darby | 10,687 | $39,863 | 29.9% | $117,900 |
| Broomall | 10,679 | $105,625 | 4.1% | $483,000 |
| Woodlyn | 9,736 | $79,696 | 11.1% | $230,400 |
| Village Green-Green Ridge | 9,073 | $96,711 | 6.4% | $325,800 |
| Collingdale | 8,897 | $51,886 | 19.6% | $166,600 |
| Folsom | 8,671 | $113,064 | 6.3% | $280,100 |
| Brookhaven | 8,331 | $91,042 | 4.1% | $284,700 |
| Ridley Park | 7,261 | $93,594 | 5.4% | $281,700 |
| Glenolden | 7,220 | $72,786 | 12.4% | $215,000 |
| Clifton Heights | 6,832 | $70,931 | 15.7% | $192,900 |
| Folcroft | 6,772 | $61,306 | 16.2% | $171,500 |
| Wayne | 6,635 | $150,539 | 9.1% | $713,300 |
| Swarthmore | 6,550 | $152,361 | 1.8% | $633,800 |
| Prospect Park | 6,417 | $63,077 | 9.2% | $244,600 |
| Sharon Hill | 6,002 | $75,130 | 27.3% | $173,300 |
| Norwood | 5,934 | $96,134 | 8.2% | $235,000 |
| Media | 5,870 | $89,092 | 4.0% | $467,800 |
| Boothwyn | 4,774 | $96,147 | 5.7% | $272,800 |
| Aldan | 4,259 | $74,514 | 8.9% | $234,800 |
| Linwood | 3,921 | $80,484 | 13.7% | $151,400 |
| St. Davids | 3,875 | $163,173 | 7.0% | $1,001,600 |
| Upland | 3,057 | $61,553 | 10.0% | $184,700 |
| Chester Heights | 2,948 | $104,009 | 5.3% | $343,200 |
| Lima | 2,812 | $76,932 | 3.8% | $396,300 |
| Morton | 2,773 | $61,563 | 6.4% | $267,400 |
| East Lansdowne | 2,712 | $69,000 | 13.7% | $200,400 |
| Eddystone | 2,562 | $51,953 | 25.2% | $127,200 |
| Colwyn | 2,325 | $46,935 | 34.9% | $128,100 |
| Parkside | 2,321 | $93,929 | 7.7% | $212,600 |
| Marcus Hook | 2,102 | $53,157 | 13.7% | $134,200 |
| Trainer | 1,733 | $81,250 | 23.9% | $119,800 |
| Millbourne | 1,467 | $54,219 | 24.3% | $266,700 |
| Chadds Ford | 1,341 | $184,286 | 2.7% | $516,300 |
| Rose Valley | 1,225 | $246,875 | 2.9% | $751,100 |
| Dilworthtown | 1,090 | $176,667 | 4.1% | $569,800 |
| Rutledge | 935 | $135,313 | 3.1% | $396,800 |
| Cheyney University | 308 | N/A | N/A | N/A |
Explore Pennsylvania Rankings
Population Overview
Delaware County is located in Pennsylvania with a total population of 579,222. It is the 5th most populous county out of 67 in Pennsylvania. The county encompasses 41 Census-designated places.
Age Demographics
The median age in Delaware County is 39.1 years. This is 4% lower than the state median of 40.9 years.
Economy, Income & Housing
The median household income in Delaware County is $89,546. This is 15% higher than the state median of $77,971. It is also 11% higher than the national median of $80,734. The poverty rate stands at 10.2%. This is 13% lower than the state poverty rate of 11.7%. The unemployment rate is 6.9%. This is 30% higher than the state rate of 5.3%. The median home value is $332,200. Housing costs are 31% higher than the state median of $254,500. The home-value-to-income ratio is 3.7x. 69.6% of occupied housing units are owner-occupied.
Race & Ethnicity
The largest racial or ethnic group in Delaware County is White (non-Hispanic), making up 62.4% of the population. Black or African American residents account for 21.9%. The Black or African American population is significantly higher than the state average (21.9% vs 10.3%). The Asian population is significantly higher than the state average (6.3% vs 3.8%).
Education
41.9% of residents aged 25 and older hold a bachelor's degree or higher. This places Delaware County in the top 10% of all counties in the state for educational attainment. This is 19% higher 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 93.9%. Notably, 18.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All figures for Delaware County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Pennsylvania and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Delaware County, Pennsylvania?
Delaware County has a population of 579,222, making it the 5th most populous county in Pennsylvania.
What is the median income in Delaware County?
The median household income in Delaware County is $89,546 with a poverty rate of 10.2%.
How many cities are in Delaware County, Pennsylvania?
Delaware County contains 41 Census-designated places.