Census tract · Butler County
Census Tract 9127.01, Butler County, Pennsylvania
Census Tract 9127.01, GEOID 42019912701, in Butler County, Pennsylvania, entirely within Buffalo Township, Butler County. 3,253 residents in the ACS 2020-2024 5-year estimates (±339); the 2020 Census counted 3,339.
Residents, 2020-2024
3,253
±339 (90% margin)
2020 Census count: 3,339
Median household income
$93,188
±$25,438 (90% margin)
Butler County: $89,843
Median home value
$320,400
±$33,928 (90% margin)
Butler County: $294,200
Median gross rent
$1,438
±$282 (90% margin)
Butler County: $1,041
Where is Census Tract 9127.01?
Census Tract 9127.01 is one of 47 census tracts in Butler County, Pennsylvania. It covers 9.47 square miles of land, 353 residents per square mile in 2020. Its GEOID, 42019912701, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Buffalo Township, Butler County | 100% |
6 census tracts border Census Tract 9127.01: Tract 4011 in Allegheny County ($69,436), Tract 4060 in Allegheny County ($87,674), Tract 9512 in Armstrong County ($78,843), Tract 9519 in Armstrong County ($48,843), Tract 9127.02 ($106,806) and Tract 8013 in Westmoreland County ($75,179). 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 9127.01?
The 2020-2024 American Community Survey puts Census Tract 9127.01's population at 3,253 (±339) in 1,359 households; the 2020 Census counted 3,339 residents and 1,391 housing units.
| Measure | Tract 9127.01 | Buffalo Township, Butler County |
|---|---|---|
| Total population | 3,253 ±339 | 8,070 |
| Households | 1,359 ±162 | 3,205 |
| Average household size | 2.39 ±0.18 | 2.52 |
| Housing units | 1,396 ±154 | 3,252 |
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 9127.01?
The median resident of Census Tract 9127.01 is 55.7 years old; 15.5% are under 18 and 30.6% are 65 or older. The largest group is non-Hispanic white residents at 94.7%, then non-Hispanic Asian residents at 2.9%.
| Measure | Tract 9127.01 | Buffalo Township, Butler County |
|---|---|---|
| Median age | 55.7 ±5.8 | 49.8 |
| Under 18 years | 15.5% ±4.1 pts | 19.8% |
| 65 years and over | 30.6% ±7.5 pts | 25.7% |
| Hispanic or Latino (any race) | 0.0% ±1.0 pts | 0.7% |
| White alone, not Hispanic | 94.7% ±3.4 pts | 96.1% |
| Black or African American alone, not Hispanic | 0.0% ±1.0 pts | 0.0% |
| Asian alone, not Hispanic | 2.9% ±2.7 pts | 1.2% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±1.0 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.0 pts | 0.0% |
| Two or more races, not Hispanic | 2.3% ±2.6 pts | 2.0% |
| Some other race alone, not Hispanic | 0.0% ±1.0 pts | 0.0% |
| Born outside the United States | 2.7% ±2.4 pts | 2.4% |
| Speak a language other than English at home (age 5+) | 3.7% ±2.9 pts | 2.4% |
| Civilian veterans (age 18+) | 7.2% ±2.8 pts | 7.7% |
| With a disability | 18.6% ±8.3 pts | 17.7% |
| No health insurance coverage | 2.6% ±1.7 pts | 2.8% |
| High school graduate or higher (age 25+) | 96.5% ±2.6 pts | 95.2% |
| Bachelor's degree or higher (age 25+) | 34.9% ±7.4 pts | 37.1% |
| Graduate or professional degree (age 25+) | 14.9% ±5.5 pts | 15.2% |
| Lived in the same house a year earlier | 92.9% ±3.9 pts | 95.4% |
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 9127.01 earn?
Half of the 1,359 households in Census Tract 9127.01 earn less than $93,188 a year (±$25,438), against $89,843 across Butler County: 17th highest of the county's 46 tracts with a reliable estimate.
| Measure | Tract 9127.01 | Buffalo Township, Butler County |
|---|---|---|
| Median household income | $93,188 ±$25,438 | $99,635 |
| Mean household income | $126,133 ±$18,885 | $133,230 |
| Per capita income | $54,484 ±$8,194 | $54,543 |
| People below the poverty line | 3.7% ±2.5 pts | 4.1% |
| Children under 18 below the poverty line | 2.8% ±4.9 pts | 3.8% |
| Households receiving SNAP | 1.9% ±1.7 pts | 1.8% |
| Households with a computer | 95.8% ±2.9 pts | 92.9% |
| Households with a broadband subscription | 91.7% ±5.3 pts | 88.4% |
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 9127.01?
Owners occupy 88.6% of Census Tract 9127.01's occupied homes and renters 11.4%. The median owner-occupied home is valued at $320,400 by its owner (±$33,928). The median renter pays $1,438 a month including utilities.
| Measure | Tract 9127.01 | Buffalo Township, Butler County |
|---|---|---|
| Median home value (owner-occupied) | $320,400 ±$33,928 | $320,700 |
| Median gross rent | $1,438 ±$282 | $1,141 |
| Renters paying 35% or more of income on rent | 23.9% ±17.3 pts | 14.3% |
| Median monthly owner costs, with a mortgage | $1,855 ±$139 | $1,887 |
| Owner-occupied homes | 88.6% ±5.2 pts | 91.9% |
| Renter-occupied homes | 11.4% ±5.2 pts | 8.1% |
| Housing units | 1,396 ±154 | 3,252 |
| Single-family detached homes | 87.7% ±4.8 pts | 86.5% |
| Mobile homes | 5.1% ±2.8 pts | 7.4% |
| Built 2020 or later | 1.9% ±1.9 pts | 1.8% |
| Built 2010 to 2019 | 3.4% ±3.0 pts | 10.5% |
| Built 1939 or earlier | 4.7% ±3.0 pts | 9.7% |
| Households with no vehicle | 2.0% ±1.8 pts | 2.1% |
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 9127.01 get to work?
78.3% of Census Tract 9127.01's workers drive alone and 17.8% work from home. The average trip to work takes 26.1 minutes.
| Measure | Tract 9127.01 | Buffalo Township, Butler County |
|---|---|---|
| In the labor force (age 16+) | 53.0% ±8.0 pts | 57.8% |
| Unemployment rate | 0.8% ±1.1 pts | 0.5% |
| Drove alone to work | 78.3% ±7.1 pts | 78.2% |
| Carpooled | 3.9% ±3.0 pts | 4.6% |
| Public transportation | 0.0% ±2.3 pts | 0.0% |
| Walked | 0.0% ±2.3 pts | 0.7% |
| Worked from home | 17.8% ±6.5 pts | 14.9% |
| Mean travel time to work | 26.1 min ±2.7 | 26.5 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 9127.01 compare with the other tracts in Butler County?
Among Butler County's tracts with a reliable estimate, Census Tract 9127.01 ranks as shown below (1 = highest).
| Measure | In Butler County |
|---|---|
| Population | 32nd of 47 |
| Residents per square mile | 28th of 47 |
| Median household income | 17th of 46 |
| Per capita income | 14th of 47 |
| Median home value | 16th of 46 |
| Median gross rent | 11th of 46 |
| Bachelor's degree or higher | 22nd of 46 |
| Median age | 1st of 47 |
| Owner-occupied share | 8th of 46 |
The tracts next to it on Butler County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 9117 | 14th | $102,815±$9,832 · within the margin of this tract |
| Tract 9122 | 15th | $100,566±$17,048 · within the margin of this tract |
| Tract 9109 | 16th | $95,379±$6,579 · within the margin of this tract |
| Tract 9127.01 | 17th | $93,188±$25,438 |
| Tract 9116 | 18th | $92,620±$8,411 · within the margin of this tract |
| Tract 9114 | 19th | $91,488±$24,114 · within the margin of this tract |
| Tract 9115.01 | 20th | $90,354±$15,274 · 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 9127.01?
4 of the 18 figures for Census Tract 9127.01 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