Census tract · Delaware County
Census Tract 4098.04, Delaware County, Pennsylvania
Census Tract 4098.04, GEOID 42045409804, in Delaware County, Pennsylvania, entirely within Radnor Township. 6,568 residents in the ACS 2020-2024 5-year estimates (±661); the 2020 Census counted 5,927.
Residents, 2020-2024
6,568
±661 (90% margin)
2020 Census count: 5,927
Median household income
$208,635
±$33,856 (90% margin)
Delaware County: $89,546
Median home value
$1,060,700
±$146,724 (90% margin)
Delaware County: $332,200
Median gross rent
$2,082
±$340 (90% margin)
Delaware County: $1,372
Where is Census Tract 4098.04?
Census Tract 4098.04 is one of 152 census tracts in Delaware County, Pennsylvania. It covers 2.28 square miles of land, 2,605 residents per square mile in 2020. Its GEOID, 42045409804, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Radnor Township | 100% |
| St. Davids | 55% |
| Wayne | 5% |
6 census tracts border Census Tract 4098.04: Tract 3001.09 in Chester County ($206,953), Tract 4097.01 ($250,000 or more), Tract 4098.03 ($151,228), Tract 9802*, Tract 2049 in Montgomery County ($250,000 or more) and Tract 2059.04 in Montgomery County ($168,947). 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 4098.04?
The 2020-2024 American Community Survey puts Census Tract 4098.04's population at 6,568 (±661) in 1,679 households; the 2020 Census counted 5,927 residents and 1,728 housing units.
| Measure | Tract 4098.04 | Radnor Township |
|---|---|---|
| Total population | 6,568 ±661 | 33,718 |
| Households | 1,679 ±312 | 9,585 |
| Average household size | 2.56 ±0.29 | 2.62 |
| Housing units | 1,808 ±308 | 10,263 |
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 4098.04?
The median resident of Census Tract 4098.04 is 21.7 years old; 18.3% are under 18 and 10.0% are 65 or older. The largest group is non-Hispanic white residents at 70.7%, then non-Hispanic Asian residents at 9.4%. 16.9% of residents were born outside the United States.
| Measure | Tract 4098.04 | Radnor Township |
|---|---|---|
| Median age | 21.7 ±0.6 | 26.2 |
| Under 18 years | 18.3% ±4.0 pts | 18.3% |
| 65 years and over | 10.0% ±2.3 pts | 12.6% |
| Hispanic or Latino (any race) | 5.5% ±2.0 pts | 5.6% |
| White alone, not Hispanic | 70.7% ±6.0 pts | 76.2% |
| Black or African American alone, not Hispanic | 9.1% ±2.6 pts | 4.9% |
| Asian alone, not Hispanic | 9.4% ±3.7 pts | 8.8% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.5 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.5 pts | 0.0% |
| Two or more races, not Hispanic | 5.3% ±2.8 pts | 4.5% |
| Some other race alone, not Hispanic | 0.1% ±0.2 pts | 0.0% |
| Born outside the United States | 16.9% ±8.1 pts | 12.4% |
| Speak a language other than English at home (age 5+) | 13.4% ±3.6 pts | 15.2% |
| Civilian veterans (age 18+) | 7.2% ±4.6 pts | 3.3% |
| With a disability | 6.5% ±2.3 pts | 6.7% |
| No health insurance coverage | 1.6% ±1.0 pts | 2.5% |
| High school graduate or higher (age 25+) | 97.4% ±3.3 pts | 98.0% |
| Bachelor's degree or higher (age 25+) | 82.8% ±4.5 pts | 74.8% |
| Graduate or professional degree (age 25+) | 52.7% ±6.7 pts | 40.9% |
| Lived in the same house a year earlier | 70.3% ±8.8 pts | 81.2% |
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 4098.04 earn?
Half of the 1,679 households in Census Tract 4098.04 earn less than $208,635 a year (±$33,856), against $89,546 across Delaware County: 3rd highest of the county's 147 tracts with a reliable estimate. 3.2% of residents live below the poverty line.
| Measure | Tract 4098.04 | Radnor Township |
|---|---|---|
| Median household income | $208,635 ±$33,856 | $164,359 |
| Mean household income | $302,971 ±$60,050 | $259,251 |
| Per capita income | $81,446 ±$21,389 | $77,677 |
| People below the poverty line | 3.2% ±2.0 pts | 6.9% |
| Children under 18 below the poverty line | 3.3% ±4.9 pts | 6.6% |
| Households receiving SNAP | 2.1% ±1.7 pts | 2.3% |
| Households with a computer | 99.0% ±1.2 pts | 98.6% |
| Households with a broadband subscription | 99.2% ±1.0 pts | 96.8% |
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 4098.04?
Owners occupy 62.8% of Census Tract 4098.04's occupied homes and renters 37.2%. The median owner-occupied home is valued at $1,060,700 by its owner (±$146,724). The median renter pays $2,082 a month including utilities, and 54.2% of renters pay 35% or more of their income on rent.
| Measure | Tract 4098.04 | Radnor Township |
|---|---|---|
| Median home value (owner-occupied) | $1,060,700 ±$146,724 | $833,900 |
| Median gross rent | $2,082 ±$340 | $1,927 |
| Renters paying 35% or more of income on rent | 54.2% ±16.0 pts | 47.6% |
| Median monthly owner costs, with a mortgage | $4,000 or more | $4,000 or more |
| Owner-occupied homes | 62.8% ±11.0 pts | 65.9% |
| Renter-occupied homes | 37.2% ±11.0 pts | 34.1% |
| Housing units | 1,808 ±308 | 10,263 |
| Single-family detached homes | 61.8% ±7.5 pts | 55.6% |
| Mobile homes | 0.0% ±1.8 pts | 0.0% |
| Built 2020 or later | 1.3% ±2.1 pts | 0.5% |
| Built 2010 to 2019 | 4.6% ±2.9 pts | 2.8% |
| Built 1939 or earlier | 33.8% ±11.7 pts | 19.9% |
| Households with no vehicle | 1.7% ±1.6 pts | 4.0% |
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 4098.04 get to work?
39.3% of Census Tract 4098.04's workers drive alone and 30.3% work from home. The average trip to work takes 20.1 minutes. The unemployment rate in 2020-2024 averaged 4.2%.
| Measure | Tract 4098.04 | Radnor Township |
|---|---|---|
| In the labor force (age 16+) | 56.7% ±4.5 pts | 58.8% |
| Unemployment rate | 4.2% ±2.3 pts | 5.6% |
| Drove alone to work | 39.3% ±7.4 pts | 47.3% |
| Carpooled | 3.3% ±2.2 pts | 4.7% |
| Public transportation | 7.3% ±6.8 pts | 6.1% |
| Walked | 18.0% ±4.1 pts | 12.8% |
| Worked from home | 30.3% ±6.4 pts | 27.6% |
| Mean travel time to work | 20.1 min ±3.2 | 23.8 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 4098.04 compare with the other tracts in Delaware County?
Among Delaware County's tracts with a reliable estimate, Census Tract 4098.04 ranks as shown below (1 = highest).
| Measure | In Delaware County |
|---|---|
| Population | 5th of 150 |
| Residents per square mile | 115th of 152 |
| Median household income | 3rd of 147 |
| Per capita income | 12th of 149 |
| Median home value | 1st of 147 |
| Median gross rent | 18th of 138 |
| Poverty rate | 79th of 80 |
| Bachelor's degree or higher | 2nd of 145 |
| Median age | 147th of 150 |
| Owner-occupied share | 98th of 147 |
The tracts next to it on Delaware County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 4097.01 | 1st | $250,000 or more |
| Tract 4101.02 | 2nd | $212,824±$22,804 · within the margin of this tract |
| Tract 4098.04 | 3rd | $208,635±$33,856 |
| Tract 4079.01 | 4th | $201,912±$48,630 · within the margin of this tract |
| Tract 4099.04 | 5th | $201,033±$44,836 · within the margin of this tract |
| Tract 4009 | 6th | $192,961±$48,032 · 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 4098.04?
Every figure for Census Tract 4098.04 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