Census tract · Delaware County
Census Tract 4005, Delaware County, Pennsylvania
Census Tract 4005, GEOID 42045400500, in Delaware County, Pennsylvania, entirely within Upper Darby Township. 4,470 residents in the ACS 2020-2024 5-year estimates (±648); the 2020 Census counted 4,649.
Residents, 2020-2024
4,470
±648 (90% margin)
2020 Census count: 4,649
Median household income
$49,435
±$11,515 (90% margin)
Delaware County: $89,546
Median home value
$141,700
±$30,233 (90% margin)
Delaware County: $332,200
Median gross rent
$1,219
±$179 (90% margin)
Delaware County: $1,372
Where is Census Tract 4005?
Census Tract 4005 is one of 152 census tracts in Delaware County, Pennsylvania. It covers 0.47 square miles of land, 9,976 residents per square mile in 2020. Its GEOID, 42045400500, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Upper Darby Township | 100% |
7 census tracts border Census Tract 4005: Tract 4004.01 ($50,890), Tract 4004.02 ($62,573), Tract 4006 ($94,514), Tract 4007 ($73,469), Tract 4089 ($173,125), Tract 4105 ($63,355) and Tract 9808 in Philadelphia County*. The figure in brackets is each tract's median household income; * a special land-use tract (water, a park or an institution) with few or no residents.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 4005?
The 2020-2024 American Community Survey puts Census Tract 4005's population at 4,470 (±648) in 1,658 households; the 2020 Census counted 4,649 residents and 1,735 housing units.
| Measure | Tract 4005 | Upper Darby Township |
|---|---|---|
| Total population | 4,470 ±648 | 85,486 |
| Households | 1,658 ±286 | 33,208 |
| Average household size | 2.69 ±0.33 | 2.57 |
| Housing units | 1,908 ±263 | 35,306 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 4005?
The median resident of Census Tract 4005 is 32.0 years old; 24.8% are under 18 and 8.0% are 65 or older. The largest group is non-Hispanic Black residents at 46.8%, then non-Hispanic white residents at 23.7%. 23.2% of residents were born outside the United States.
| Measure | Tract 4005 | Upper Darby Township |
|---|---|---|
| Median age | 32.0 ±8.2 | 35.7 |
| Under 18 years | 24.8% ±3.8 pts | 23.2% |
| 65 years and over | 8.0% ±2.3 pts | 13.0% |
| Hispanic or Latino (any race) | 13.2% ±7.6 pts | 9.9% |
| White alone, not Hispanic | 23.7% ±7.9 pts | 39.0% |
| Black or African American alone, not Hispanic | 46.8% ±10.6 pts | 33.7% |
| Asian alone, not Hispanic | 12.7% ±6.4 pts | 12.5% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.7 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.7 pts | 0.0% |
| Two or more races, not Hispanic | 3.6% ±3.3 pts | 4.2% |
| Some other race alone, not Hispanic | 0.0% ±0.7 pts | 0.6% |
| Born outside the United States | 23.2% ±7.5 pts | 23.5% |
| Speak a language other than English at home (age 5+) | 40.1% ±11.1 pts | 27.5% |
| Civilian veterans (age 18+) | 3.6% ±2.4 pts | 3.4% |
| With a disability | 20.2% ±6.0 pts | 13.2% |
| No health insurance coverage | 8.6% ±4.2 pts | 8.8% |
| High school graduate or higher (age 25+) | 90.7% ±4.4 pts | 90.5% |
| Bachelor's degree or higher (age 25+) | 19.1% ±7.4 pts | 33.0% |
| Graduate or professional degree (age 25+) | 4.8% ±4.4 pts | 11.8% |
| Lived in the same house a year earlier | 90.7% ±5.7 pts | 89.9% |
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 Census Tract 4005 earn?
Half of the 1,658 households in Census Tract 4005 earn less than $49,435 a year (±$11,515), against $89,546 across Delaware County: 130th highest of the county's 147 tracts with a reliable estimate. 11.2% of residents live below the poverty line.
| Measure | Tract 4005 | Upper Darby Township |
|---|---|---|
| Median household income | $49,435 ±$11,515 | $71,481 |
| Mean household income | $62,410 ±$10,934 | $93,573 |
| Per capita income | $24,177 ±$3,320 | $36,993 |
| People below the poverty line | 11.2% ±5.8 pts | 14.4% |
| Children under 18 below the poverty line | 5.4% ±9.8 pts | 21.5% |
| Households receiving SNAP | 29.3% ±11.7 pts | 17.3% |
| Households with a computer | 99.3% ±1.1 pts | 97.1% |
| Households with a broadband subscription | 84.1% ±11.0 pts | 91.5% |
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 Census Tract 4005?
Owners occupy 55.2% of Census Tract 4005's occupied homes and renters 44.8%. The median owner-occupied home is valued at $141,700 by its owner (±$30,233). The median renter pays $1,219 a month including utilities, and 67.3% of renters pay 35% or more of their income on rent.
| Measure | Tract 4005 | Upper Darby Township |
|---|---|---|
| Median home value (owner-occupied) | $141,700 ±$30,233 | $219,100 |
| Median gross rent | $1,219 ±$179 | $1,328 |
| Renters paying 35% or more of income on rent | 67.3% ±17.8 pts | 43.6% |
| Median monthly owner costs, with a mortgage | $1,664 ±$362 | $1,846 |
| Owner-occupied homes | 55.2% ±12.0 pts | 57.5% |
| Renter-occupied homes | 44.8% ±12.0 pts | 42.5% |
| Housing units | 1,908 ±263 | 35,306 |
| Single-family detached homes | 1.9% ±1.5 pts | 22.0% |
| Mobile homes | 0.0% ±1.7 pts | 0.0% |
| Built 2020 or later | 0.0% ±1.7 pts | 0.0% |
| Built 2010 to 2019 | 0.0% ±1.7 pts | 1.1% |
| Built 1939 or earlier | 46.7% ±9.2 pts | 33.4% |
| Households with no vehicle | 22.4% ±12.2 pts | 14.1% |
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 do people in Census Tract 4005 get to work?
49.9% of Census Tract 4005's workers drive alone and 14.4% work from home. The average trip to work takes 31.0 minutes. The unemployment rate in 2020-2024 averaged 17.7%.
| Measure | Tract 4005 | Upper Darby Township |
|---|---|---|
| In the labor force (age 16+) | 71.2% ±7.5 pts | 71.7% |
| Unemployment rate | 17.7% ±8.5 pts | 8.9% |
| Drove alone to work | 49.9% ±9.6 pts | 60.6% |
| Carpooled | 4.9% ±4.3 pts | 7.5% |
| Public transportation | 27.0% ±9.7 pts | 12.9% |
| Walked | 1.3% ±1.6 pts | 3.0% |
| Worked from home | 14.4% ±8.0 pts | 13.4% |
| Mean travel time to work | 31.0 min ±2.7 | 31.5 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
How does Census Tract 4005 compare with the other tracts in Delaware County?
Among Delaware County's tracts with a reliable estimate, Census Tract 4005 ranks as shown below (1 = highest).
| Measure | In Delaware County |
|---|---|
| Population | 46th of 150 |
| Residents per square mile | 29th of 152 |
| Median household income | 130th of 147 |
| Per capita income | 133rd of 149 |
| Median home value | 127th of 147 |
| Median gross rent | 102nd of 138 |
| Poverty rate | 45th of 80 |
| Bachelor's degree or higher | 121st of 145 |
| Median age | 135th of 150 |
| Owner-occupied share | 112th of 147 |
The tracts next to it on Delaware County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 4008.01 | 127th | $50,152±$23,427 · within the margin of this tract |
| Tract 4003.01 | 128th | $49,959±$5,434 · within the margin of this tract |
| Tract 4021 | 129th | $49,659±$8,009 · within the margin of this tract |
| Tract 4005 | 130th | $49,435±$11,515 |
| Tract 4048 | 131st | $48,854±$24,479 · within the margin of this tract |
| Tract 4044 | 132nd | $48,438±$12,827 · within the margin of this tract |
| Tract 4053 | 133rd | $48,333±$18,490 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 4005?
Every figure for Census Tract 4005 on this page has a coefficient of variation under 40%, the Census Bureau's threshold for a usable estimate.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). 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 · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections