Township · Pennsylvania
Upper Darby Township, Pennsylvania
Upper Darby Township, township, in Delaware County, Pennsylvania. Upper Darby Township had 85,458 residents on July 1, 2025 by the Census Bureau's estimate, down 0.3% since 2020; the 2020 Census counted 85,681 and the ACS 2020-2024 5-year estimates put it at 85,486 (±55). GEOID 4204579000.
Residents, July 2025 estimate
85,458
Census Bureau estimate (no margin published)
2020 Census count: 85,681 · ACS 2020-2024: 85,486 ±55
Median household income
$71,481
±$4,188 (90% margin)
Pennsylvania: $77,971
Median home value
$219,100
±$5,424 (90% margin)
Pennsylvania: $254,500
Median gross rent
$1,328
±$36 (90% margin)
Pennsylvania: $1,209
Where is Upper Darby Township and what county is it in?
Upper Darby Township is a township in Delaware County, Pennsylvania. It covers 7.8 square miles of land, 10,950 residents per square mile in 2020.
One place lies inside Upper Darby Township: Drexel Hill (CDP, 29,181 in 2020).
Upper Darby Township is in the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metropolitan statistical area, which takes in 11 counties (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Upper Darby Township, and is it growing?
The Census Bureau estimates that 85,458 people lived in Upper Darby Township on July 1, 2025, down 0.3% since 2020, while Pennsylvania grew 0.4%. The 2020 Census counted 85,681 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 85,486 (±55).
| Measure | Upper Darby Township | Delaware County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 85,486±55 | 579,222 | +2,599 |
| Households | 33,208±880 | 216,946 | +2,197 |
| Average household size | 2.57±0.07 | 2.56 | −0.09 |
| Housing units | 35,306±857 | 229,715 | +1,069 |
Upper Darby Township's population since 2000
From 81,821 in 2000 to 85,458 in 2025: up 4.4%. The 2000, 2010 and 2020 figures are census counts, each for Upper Darby Township as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Upper Darby Township?
The median resident of Upper Darby Township is 35.7 years old; 23.2% are under 18 and 13.0% are 65 or older. The largest group is non-Hispanic white residents at 39.0%, then non-Hispanic Black residents at 33.7%. 23.5% of residents were born outside the United States.
| Measure | Upper Darby Township | Delaware County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 35.7±0.6 | 39.1 | no clear change |
| Under 18 years | 23.2%±1.1 pts | 22.0% | – |
| 65 years and over | 13.0%±0.8 pts | 17.4% | – |
| Male | 47.8%±1.2 pts | 48.4% | – |
| Hispanic or Latino (any race) | 9.9%±1.4 pts | 5.0% | +4.4 pts |
| White alone, not Hispanic | 39.0%±1.9 pts | 62.4% | −5.2 pts |
| Black or African American alone, not Hispanic | 33.7%±1.8 pts | 21.9% | no clear change |
| Asian alone, not Hispanic | 12.5%±1.2 pts | 6.3% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.1 pts | 0.0% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 4.2%±1.1 pts | 3.8% | – |
| Some other race alone, not Hispanic | 0.6%±0.5 pts | 0.5% | – |
| Born outside the United States | 23.5%±1.8 pts | 11.2% | no clear change |
| Speak a language other than English at home (age 5+) | 27.5%±2.1 pts | 13.5% | – |
| Civilian veterans (age 18+) | 3.4%±0.4 pts | 4.9% | – |
| With a disability | 13.2%±1.2 pts | 12.5% | – |
| No health insurance coverage | 8.8%±1.1 pts | 4.6% | no clear change |
| High school graduate or higher (age 25+) | 90.5%±1.2 pts | 93.9% | – |
| Bachelor's degree or higher (age 25+) | 33.0%±1.7 pts | 41.9% | no clear change |
| Graduate or professional degree (age 25+) | 11.8%±1.2 pts | 18.4% | – |
| Lived in the same house a year earlier | 89.9%±1.5 pts | 90.7% | – |
| Moved from another state in the past year | 0.5%±0.2 pts | 1.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Upper Darby Township earn?
Half of Upper Darby Township's 33,208 households earn less than $71,481 a year (±$4,188), against $89,546 in Delaware County and $77,971 in Pennsylvania. In 2015-2019 it was $68,806 in 2024 dollars; the margins of error cannot tell the two periods apart. 14.4% of residents live below the poverty line.
| Measure | Upper Darby Township | Delaware County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $71,481±$4,188 | $89,546 | no clear change |
| Mean household income | $93,573±$3,805 | $128,465 | – |
| Per capita income | $36,993±$1,568 | $49,673 | no clear change |
| People below the poverty line | 14.4%±1.8 pts | 10.2% | no clear change |
| Children under 18 below the poverty line | 21.5%±3.7 pts | 13.2% | no clear change |
| Households receiving SNAP | 17.3%±1.9 pts | 13.3% | – |
| Households with a computer | 97.1%±0.7 pts | 96.4% | – |
| Households with a broadband subscription | 91.5%±1.5 pts | 93.3% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Upper Darby Township?
Owners occupy 57.5% of Upper Darby Township's occupied homes and renters 42.5%. The median owner-occupied home is valued at $219,100 by its owner (±$5,424). The median renter pays $1,328 a month including utilities, and 43.6% of renters pay 35% or more of their income on rent.
| Measure | Upper Darby Township | Delaware County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $219,100±$5,424 | $332,200 | +$36,834 |
| Median gross rent | $1,328±$36 | $1,372 | +$60 |
| Renters paying 35% or more of income on rent | 43.6%±4.6 pts | 45.9% | no clear change |
| Median monthly owner costs, with a mortgage | $1,846±$48 | $2,222 | – |
| Owner-occupied homes | 57.5%±2.0 pts | 69.6% | no clear change |
| Renter-occupied homes | 42.5%±2.0 pts | 30.4% | – |
| Housing units | 35,306±857 | 229,715 | +1,069 |
| Homeowner vacancy rate | 1.0%±0.7 pts | 0.6% | – |
| Rental vacancy rate | 5.2%±1.8 pts | 4.8% | – |
| Single-family detached homes | 22.0%±1.5 pts | 43.6% | – |
| Mobile homes | 0.0%±0.1 pts | 0.3% | – |
| Built 2020 or later | 0.0%±0.1 pts | 0.6% | – |
| Built 2010 to 2019 | 1.1%±0.5 pts | 2.9% | – |
| Built 1939 or earlier | 33.4%±2.1 pts | 22.1% | – |
| Households with no vehicle | 14.1%±1.8 pts | 9.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Upper Darby Township building?
Builders took permits for 4 new housing units in Upper Darby Township in 2025 (4 in single-family houses), 0.0 per 1,000 residents against 2.0 across Pennsylvania.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Upper Darby Township work and get to work?
60.6% of Upper Darby Township's workers drive alone and 13.4% work from home. The average trip to work takes 31.5 minutes. The unemployment rate in 2020-2024 averaged 8.9%.
| Measure | Upper Darby Township | Delaware County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 71.7%±1.3 pts | 65.6% | – |
| Unemployment rate | 8.9%±1.3 pts | 6.9% | +4.0 pts |
| Drove alone to work | 60.6%±2.4 pts | 64.4% | – |
| Carpooled | 7.5%±1.1 pts | 6.6% | – |
| Public transportation | 12.9%±1.8 pts | 5.9% | – |
| Walked | 3.0%±0.8 pts | 3.3% | – |
| Worked from home | 13.4%±1.4 pts | 18.0% | +10.3 pts |
| Mean travel time to work | 31.5 min±1.1 | 28.1 min | −2.5 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Upper Darby Township?
23 census tracts lie mostly in Upper Darby Township (2020 census blocks). Their median household incomes run from $48,092 (Tract 4003.02) to $192,961 (Tract 4009).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 4007Delaware County | 6,486 | $73,469 |
| Tract 4004.01Delaware County | 6,471 | $50,890 |
| Tract 4003.01Delaware County | 6,136 | $49,959 |
| Tract 4006Delaware County | 5,319 | $94,514 |
| Tract 4011.04Delaware County | 4,756 | $80,083 |
| Tract 4004.02Delaware County | 4,533 | $62,573 |
| Tract 4005Delaware County | 4,470 | $49,435 |
| Tract 4014.02Delaware County | 3,957 | $64,821 |
| Tract 4015.02Delaware County | 3,953 | $80,417 |
| Tract 4012Delaware County | 3,755 | $91,738 |
| Tract 4008.02Delaware County | 3,675 | $108,355 |
| Tract 4015.03Delaware County | 3,674 | $83,798 |
Every census tract in Upper Darby Township, with its figures
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Upper Darby Township) · Census block assignment files
How does Upper Darby Township compare with other places in Pennsylvania?
By the Census Bureau's July 2025 estimates, Upper Darby Township is the 67th-most populous of the 16,079 U.S. towns and townships that have one and the most populous of 1,542 in Pennsylvania.
Upper Darby Township ranks 1,314th of 2,136 places in Pennsylvania with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 1st | 1,542 |
| Growth 2020-2025 (PEP) | 879th | 1,764 |
| Residents per square mile | 6th | 2,159 |
| Median household income | 1,314th | 2,136 |
| Per capita income | 1,296th | 2,157 |
| Median home value | 1,124th | 2,146 |
| Median gross rent | 501st | 1,963 |
| Poverty rate | 397th | 1,606 |
| Bachelor's degree or higher | 676th | 2,129 |
| Median age | 1,942nd | 2,157 |
| Owner-occupied share | 1,883rd | 2,149 |
| Work from home | 762nd | 1,710 |
| Travel time to work | 322nd | 2,156 |
Upper Darby Township's figures with every place in Pennsylvania (CSV)
Every place in Pennsylvania, sortable · Compare Upper Darby Township with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Upper Darby Township?
6 of the 57 figures for Upper Darby Township on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Upper Darby Township are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.