Census tract · Dauphin County
Census Tract 240.01, Dauphin County, Pennsylvania
Census Tract 240.01, GEOID 42043024001, in Dauphin County, Pennsylvania, mostly within Londonderry Township, Dauphin County (80% of its census blocks). 5,847 residents in the ACS 2020-2024 5-year estimates (±257); the 2020 Census counted 6,037.
Residents, 2020-2024
5,847
±257 (90% margin)
2020 Census count: 6,037
Median household income
$88,500
±$9,742 (90% margin)
Dauphin County: $76,242
Median home value
$226,000
±$23,237 (90% margin)
Dauphin County: $236,400
Median gross rent
$1,137
±$161 (90% margin)
Dauphin County: $1,217
Where is Census Tract 240.01?
Census Tract 240.01 is one of 67 census tracts in Dauphin County, Pennsylvania. It covers 23.08 square miles of land, 262 residents per square mile in 2020. Its GEOID, 42043024001, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Londonderry Township, Dauphin County | 80% |
| Royalton | 20% |
13 census tracts border Census Tract 240.01: Tract 236.01 ($102,036), Tract 236.02 ($86,003), Tract 237 ($39,099), Tract 238 ($55,558), Tract 239 ($68,971), Tract 240.02 ($108,083), Tract 241.04 ($170,556), Tract 241.05 ($104,434), Tract 106.01 in Lancaster County ($98,605), Tract 108.02 in Lancaster County ($73,511), Tract 108.03 in Lancaster County ($78,088), Tract 209.10 in York County ($83,452) and Tract 209.21 in York County ($98,857). The figure in brackets is each tract's median household income.
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 240.01?
The 2020-2024 American Community Survey puts Census Tract 240.01's population at 5,847 (±257) in 2,318 households; the 2020 Census counted 6,037 residents and 2,760 housing units.
| Measure | Tract 240.01 | Londonderry Township, Dauphin County |
|---|---|---|
| Total population | 5,847 ±257 | 4,906 |
| Households | 2,318 ±247 | 1,864 |
| Average household size | 2.52 ±0.23 | 2.63 |
| Housing units | 2,478 ±260 | 1,975 |
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 240.01?
The median resident of Census Tract 240.01 is 40.9 years old; 27.4% are under 18 and 17.7% are 65 or older. The largest group is non-Hispanic white residents at 82.1%, then Hispanic or Latino residents (of any race) at 10.7%.
| Measure | Tract 240.01 | Londonderry Township, Dauphin County |
|---|---|---|
| Median age | 40.9 ±4.2 | 40.5 |
| Under 18 years | 27.4% ±4.9 pts | 29.0% |
| 65 years and over | 17.7% ±2.9 pts | 17.1% |
| Hispanic or Latino (any race) | 10.7% ±7.1 pts | 10.9% |
| White alone, not Hispanic | 82.1% ±7.6 pts | 83.0% |
| Black or African American alone, not Hispanic | 3.4% ±2.7 pts | 3.9% |
| Asian alone, not Hispanic | 0.3% ±0.5 pts | 0.4% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.6 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.6 pts | 0.0% |
| Two or more races, not Hispanic | 3.2% ±1.6 pts | 1.8% |
| Some other race alone, not Hispanic | 0.3% ±0.4 pts | 0.0% |
| Born outside the United States | 1.7% ±1.5 pts | 1.0% |
| Speak a language other than English at home (age 5+) | 4.5% ±3.0 pts | 3.0% |
| Civilian veterans (age 18+) | 7.8% ±3.4 pts | 7.4% |
| With a disability | 14.7% ±4.5 pts | 12.8% |
| No health insurance coverage | 2.4% ±1.6 pts | 0.7% |
| High school graduate or higher (age 25+) | 95.1% ±2.3 pts | 96.3% |
| Bachelor's degree or higher (age 25+) | 24.9% ±6.9 pts | 25.6% |
| Graduate or professional degree (age 25+) | 6.6% ±3.7 pts | 6.5% |
| Lived in the same house a year earlier | 95.5% ±2.4 pts | 96.3% |
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 240.01 earn?
Half of the 2,318 households in Census Tract 240.01 earn less than $88,500 a year (±$9,742), against $76,242 across Dauphin County: 19th highest of the county's 66 tracts with a reliable estimate. 9.4% of residents live below the poverty line.
| Measure | Tract 240.01 | Londonderry Township, Dauphin County |
|---|---|---|
| Median household income | $88,500 ±$9,742 | $91,905 |
| Mean household income | $92,181 ±$8,170 | $96,450 |
| Per capita income | $36,763 ±$3,851 | $37,022 |
| People below the poverty line | 9.4% ±4.8 pts | 8.9% |
| Children under 18 below the poverty line | 15.9% ±11.2 pts | 16.4% |
| Households receiving SNAP | 5.5% ±2.8 pts | 3.6% |
| Households with a computer | 91.4% ±5.5 pts | 92.0% |
| Households with a broadband subscription | 89.1% ±5.7 pts | 90.9% |
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 240.01?
Owners occupy 88.3% of Census Tract 240.01's occupied homes and renters 11.7%. The median owner-occupied home is valued at $226,000 by its owner (±$23,237). The median renter pays $1,137 a month including utilities, and 51.4% of renters pay 35% or more of their income on rent.
| Measure | Tract 240.01 | Londonderry Township, Dauphin County |
|---|---|---|
| Median home value (owner-occupied) | $226,000 ±$23,237 | $241,700 |
| Median gross rent | $1,137 ±$161 | $1,188 |
| Renters paying 35% or more of income on rent | 51.4% ±21.3 pts | 60.6% |
| Median monthly owner costs, with a mortgage | $1,677 ±$103 | $1,724 |
| Owner-occupied homes | 88.3% ±4.0 pts | 91.8% |
| Renter-occupied homes | 11.7% ±4.0 pts | 8.2% |
| Housing units | 2,478 ±260 | 1,975 |
| Single-family detached homes | 76.9% ±5.4 pts | 81.6% |
| Mobile homes | 12.3% ±5.7 pts | 14.9% |
| Built 2020 or later | 0.0% ±1.3 pts | 0.0% |
| Built 2010 to 2019 | 6.6% ±3.9 pts | 5.9% |
| Built 1939 or earlier | 11.9% ±3.4 pts | 5.8% |
| Households with no vehicle | 1.1% ±1.1 pts | 0.0% |
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 240.01 get to work?
72.0% of Census Tract 240.01's workers drive alone and 17.6% work from home. The average trip to work takes 23.6 minutes.
| Measure | Tract 240.01 | Londonderry Township, Dauphin County |
|---|---|---|
| In the labor force (age 16+) | 68.5% ±5.0 pts | 69.4% |
| Unemployment rate | 0.0% ±1.1 pts | 0.0% |
| Drove alone to work | 72.0% ±6.3 pts | 74.5% |
| Carpooled | 3.9% ±2.4 pts | 3.1% |
| Public transportation | 0.8% ±1.1 pts | 0.8% |
| Walked | 4.0% ±2.8 pts | 3.6% |
| Worked from home | 17.6% ±5.5 pts | 16.4% |
| Mean travel time to work | 23.6 min ±4.8 | 23.6 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 240.01 compare with the other tracts in Dauphin County?
Among Dauphin County's tracts with a reliable estimate, Census Tract 240.01 ranks as shown below (1 = highest).
| Measure | In Dauphin County |
|---|---|
| Population | 17th of 67 |
| Residents per square mile | 58th of 67 |
| Median household income | 19th of 66 |
| Per capita income | 39th of 67 |
| Median home value | 27th of 67 |
| Median gross rent | 36th of 64 |
| Poverty rate | 35th of 52 |
| Bachelor's degree or higher | 40th of 66 |
| Median age | 25th of 67 |
| Owner-occupied share | 8th of 67 |
The tracts next to it on Dauphin County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 246.01 | 16th | $90,691±$18,032 · within the margin of this tract |
| Tract 225.02 | 17th | $89,762±$16,843 · within the margin of this tract |
| Tract 241.02 | 18th | $88,750±$33,319 · within the margin of this tract |
| Tract 240.01 | 19th | $88,500±$9,742 |
| Tract 219.03 | 20th | $88,125±$16,727 · within the margin of this tract |
| Tract 246.02 | 21st | $87,875±$17,356 · within the margin of this tract |
| Tract 231 | 22nd | $87,083±$16,470 · 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 240.01?
3 of the 18 figures for Census Tract 240.01 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.
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