Census tract · Westmoreland County
Census Tract 8078, Westmoreland County, Pennsylvania
Census Tract 8078, GEOID 42129807800, in Westmoreland County, Pennsylvania, entirely within Derry Township, Westmoreland County. 3,663 residents in the ACS 2020-2024 5-year estimates (±363); the 2020 Census counted 3,878.
Residents, 2020-2024
3,663
±363 (90% margin)
2020 Census count: 3,878
Median household income
$66,406
±$9,291 (90% margin)
Westmoreland County: $74,109
Median home value
$172,700
±$18,352 (90% margin)
Westmoreland County: $203,500
Median gross rent
$792
±$157 (90% margin)
Westmoreland County: $879
Where is Census Tract 8078?
Census Tract 8078 is one of 113 census tracts in Westmoreland County, Pennsylvania. It covers 3.93 square miles of land, 986 residents per square mile in 2020. Its GEOID, 42129807800, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Derry Township, Westmoreland County | 100% |
| Loyalhanna | 87% |
6 census tracts border Census Tract 8078: Tract 8073 ($63,525), Tract 8076 ($49,510), Tract 8077 ($65,500), Tract 8079.01 ($62,589), Tract 8079.02 ($63,811) and Tract 8081 ($73,704). 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 8078?
The 2020-2024 American Community Survey puts Census Tract 8078's population at 3,663 (±363) in 1,725 households; the 2020 Census counted 3,878 residents and 1,929 housing units.
| Measure | Tract 8078 | Derry Township, Westmoreland County |
|---|---|---|
| Total population | 3,663 ±363 | 13,472 |
| Households | 1,725 ±183 | 5,749 |
| Average household size | 2.08 ±0.15 | 2.26 |
| Housing units | 1,921 ±176 | 6,107 |
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 8078?
The median resident of Census Tract 8078 is 48.1 years old; 15.8% are under 18 and 28.4% are 65 or older. The largest group is non-Hispanic white residents at 96.0%, then non-Hispanic residents of two or more races at 2.3%.
| Measure | Tract 8078 | Derry Township, Westmoreland County |
|---|---|---|
| Median age | 48.1 ±4.9 | 46.3 |
| Under 18 years | 15.8% ±3.2 pts | 16.6% |
| 65 years and over | 28.4% ±3.1 pts | 23.2% |
| Hispanic or Latino (any race) | 1.1% ±1.2 pts | 0.8% |
| White alone, not Hispanic | 96.0% ±2.6 pts | 95.4% |
| Black or African American alone, not Hispanic | 0.7% ±0.7 pts | 0.7% |
| Asian alone, not Hispanic | 0.0% ±0.9 pts | 1.1% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.9 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.9 pts | 0.0% |
| Two or more races, not Hispanic | 2.3% ±2.3 pts | 1.8% |
| Some other race alone, not Hispanic | 0.0% ±0.9 pts | 0.1% |
| Born outside the United States | 0.4% ±0.6 pts | 1.1% |
| Speak a language other than English at home (age 5+) | 1.8% ±1.5 pts | 1.9% |
| Civilian veterans (age 18+) | 6.1% ±2.3 pts | 5.0% |
| With a disability | 21.9% ±6.2 pts | 21.7% |
| No health insurance coverage | 1.6% ±1.1 pts | 3.1% |
| High school graduate or higher (age 25+) | 93.1% ±2.7 pts | 92.9% |
| Bachelor's degree or higher (age 25+) | 23.4% ±5.8 pts | 19.6% |
| Graduate or professional degree (age 25+) | 8.5% ±3.4 pts | 6.1% |
| Lived in the same house a year earlier | 91.7% ±4.5 pts | 91.9% |
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 8078 earn?
Half of the 1,725 households in Census Tract 8078 earn less than $66,406 a year (±$9,291), against $74,109 across Westmoreland County: 66th highest of the county's 111 tracts with a reliable estimate. 10.2% of residents live below the poverty line.
| Measure | Tract 8078 | Derry Township, Westmoreland County |
|---|---|---|
| Median household income | $66,406 ±$9,291 | $66,156 |
| Mean household income | $82,395 ±$11,398 | $80,036 |
| Per capita income | $39,324 ±$5,279 | $34,445 |
| People below the poverty line | 10.2% ±4.4 pts | 14.4% |
| Children under 18 below the poverty line | 11.4% ±11.7 pts | 21.1% |
| Households receiving SNAP | 12.4% ±5.2 pts | 18.4% |
| Households with a computer | 89.0% ±6.6 pts | 91.1% |
| Households with a broadband subscription | 85.0% ±6.4 pts | 86.4% |
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 8078?
Owners occupy 79.0% of Census Tract 8078's occupied homes and renters 21.0%. The median owner-occupied home is valued at $172,700 by its owner (±$18,352). The median renter pays $792 a month including utilities, and 31.7% of renters pay 35% or more of their income on rent.
| Measure | Tract 8078 | Derry Township, Westmoreland County |
|---|---|---|
| Median home value (owner-occupied) | $172,700 ±$18,352 | $180,400 |
| Median gross rent | $792 ±$157 | $904 |
| Renters paying 35% or more of income on rent | 31.7% ±16.0 pts | 42.1% |
| Median monthly owner costs, with a mortgage | $1,164 ±$62 | $1,286 |
| Owner-occupied homes | 79.0% ±5.9 pts | 76.8% |
| Renter-occupied homes | 21.0% ±5.9 pts | 23.2% |
| Housing units | 1,921 ±176 | 6,107 |
| Single-family detached homes | 84.5% ±4.9 pts | 80.7% |
| Mobile homes | 1.8% ±1.4 pts | 8.8% |
| Built 2020 or later | 1.0% ±1.1 pts | 0.9% |
| Built 2010 to 2019 | 1.7% ±1.1 pts | 2.9% |
| Built 1939 or earlier | 18.1% ±6.5 pts | 18.9% |
| Households with no vehicle | 3.1% ±2.1 pts | 3.3% |
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 8078 get to work?
81.1% of Census Tract 8078's workers drive alone and 7.1% work from home. The average trip to work takes 23.3 minutes. The unemployment rate in 2020-2024 averaged 3.7%.
| Measure | Tract 8078 | Derry Township, Westmoreland County |
|---|---|---|
| In the labor force (age 16+) | 57.1% ±6.5 pts | 54.9% |
| Unemployment rate | 3.7% ±1.9 pts | 4.5% |
| Drove alone to work | 81.1% ±7.1 pts | 82.4% |
| Carpooled | 5.7% ±5.2 pts | 7.2% |
| Public transportation | 0.1% ±0.3 pts | 0.3% |
| Walked | 5.9% ±4.4 pts | 2.3% |
| Worked from home | 7.1% ±4.5 pts | 7.6% |
| Mean travel time to work | 23.3 min ±4.8 | 24.1 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 8078 compare with the other tracts in Westmoreland County?
Among Westmoreland County's tracts with a reliable estimate, Census Tract 8078 ranks as shown below (1 = highest).
| Measure | In Westmoreland County |
|---|---|
| Population | 35th of 113 |
| Residents per square mile | 59th of 113 |
| Median household income | 66th of 111 |
| Per capita income | 67th of 113 |
| Median home value | 64th of 111 |
| Median gross rent | 74th of 100 |
| Poverty rate | 48th of 83 |
| Bachelor's degree or higher | 73rd of 111 |
| Median age | 56th of 113 |
| Owner-occupied share | 61st of 112 |
The tracts next to it on Westmoreland County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 8047.04 | 63rd | $68,224±$13,708 · within the margin of this tract |
| Tract 8045.03 | 64th | $67,417±$19,492 · within the margin of this tract |
| Tract 8062 | 65th | $66,958±$13,461 · within the margin of this tract |
| Tract 8078 | 66th | $66,406±$9,291 |
| Tract 8022 | 67th | $66,297±$13,291 · within the margin of this tract |
| Tract 8074.04 | 68th | $66,094±$13,930 · within the margin of this tract |
| Tract 8063 | 69th | $65,887±$11,641 · 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 8078?
3 of the 18 figures for Census Tract 8078 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