Township · Pennsylvania
Jefferson Township, Butler County, Pennsylvania
Jefferson Township, Butler County, township, in Butler County, Pennsylvania. Jefferson Township, Butler County had 5,096 residents on July 1, 2025 by the Census Bureau's estimate, down 2.6% since 2020; the 2020 Census counted 5,212 and the ACS 2020-2024 5-year estimates put it at 5,126 (±18). GEOID 4201937848.
Residents, July 2025 estimate
5,096
Census Bureau estimate (no margin published)
2020 Census count: 5,212 · ACS 2020-2024: 5,126 ±18
Median household income
$90,354
±$15,274 (90% margin)
Pennsylvania: $77,971
Median home value
$300,500
±$30,103 (90% margin)
Pennsylvania: $254,500
Median gross rent
$1,009
±$481 (90% margin)
Pennsylvania: $1,209
Where is Jefferson Township, Butler County and what county is it in?
Jefferson Township, Butler County is a township in Butler County, Pennsylvania. It covers 22.9 square miles of land, 227 residents per square mile in 2020.
Jefferson Township, Butler County is in the Pittsburgh, PA metropolitan statistical area, which takes in 8 counties (Census Bureau delineation, July 2023).
Jefferson Township, Butler County is the same area as Census Tract 9115.01 of Butler County: the tract's figures are Jefferson Township, Butler County's own.
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Jefferson Township, Butler County, and is it growing?
The Census Bureau estimates that 5,096 people lived in Jefferson Township, Butler County on July 1, 2025, down 2.6% since 2020, while Pennsylvania grew 0.4%. The 2020 Census counted 5,212 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 5,126 (±18).
| Measure | Jefferson Township, Butler County | Butler County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 5,126±18 | 197,254 | −181 |
| Households | 1,810±219 | 80,824 | −321 |
| Average household size | 2.74±0.33 | 2.37 | no clear change |
| Housing units | 2,018±240 | 87,382 | no clear change |
Jefferson Township, Butler County's population since 2000
From 5,690 in 2000 to 5,096 in 2025: down 10.4%. The 2000, 2010 and 2020 figures are census counts, each for Jefferson Township, Butler County as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Jefferson Township, Butler County?
The median resident of Jefferson Township, Butler County is 44.7 years old; 18.2% are under 18 and 20.9% are 65 or older. The largest group is non-Hispanic white residents at 89.1%, then non-Hispanic residents of some other race at 5.6%.
| Measure | Jefferson Township, Butler County | Butler County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 44.7±3.9 | 43.4 | −6.3 |
| Under 18 years | 18.2%±2.2 pts | 19.3% | – |
| 65 years and over | 20.9%±5.4 pts | 20.6% | – |
| Male | 53.9%±4.6 pts | 49.8% | – |
| Hispanic or Latino (any race) | 2.5%±3.2 pts | 2.0% | – |
| White alone, not Hispanic | 89.1%±7.2 pts | 92.2% | −10.2 pts |
| Black or African American alone, not Hispanic | 0.2%±0.6 pts | 1.1% | – |
| Asian alone, not Hispanic | 1.7%±2.4 pts | 1.4% | – |
| 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 | 0.9%±0.7 pts | 2.7% | – |
| Some other race alone, not Hispanic | 5.6%±5.7 pts | 0.5% | – |
| Born outside the United States | 2.0%±2.4 pts | 2.4% | – |
| Speak a language other than English at home (age 5+) | 4.9%±4.2 pts | 3.7% | – |
| Civilian veterans (age 18+) | 5.3%±3.0 pts | 7.2% | – |
| With a disability | 16.0%±6.0 pts | 13.1% | – |
| No health insurance coverage | 1.9%±1.9 pts | 3.4% | – |
| High school graduate or higher (age 25+) | 95.3%±3.6 pts | 95.7% | – |
| Bachelor's degree or higher (age 25+) | 30.0%±7.8 pts | 39.4% | no clear change |
| Graduate or professional degree (age 25+) | 6.8%±4.5 pts | 14.8% | – |
| Lived in the same house a year earlier | 91.9%±5.0 pts | 89.6% | – |
| Moved from another state in the past year | 0.4%±0.6 pts | 1.3% | – |
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 Jefferson Township, Butler County earn?
Half of Jefferson Township, Butler County's 1,810 households earn less than $90,354 a year (±$15,274), against $89,843 in Butler County and $77,971 in Pennsylvania. In 2015-2019 it was $75,741 in 2024 dollars; the margins of error cannot tell the two periods apart.
| Measure | Jefferson Township, Butler County | Butler County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $90,354±$15,274 | $89,843 | no clear change |
| Mean household income | $134,876±$32,290 | $116,887 | – |
| Per capita income | $49,374±$12,213 | $49,125 | no clear change |
| People below the poverty line | 4.6%±3.7 pts | 8.1% | – |
| Children under 18 below the poverty line | 7.2%±13.3 pts | 7.3% | – |
| Households receiving SNAP | 11.0%±8.8 pts | 9.0% | – |
| Households with a computer | 93.4%±5.2 pts | 94.2% | – |
| Households with a broadband subscription | 91.0%±5.8 pts | 90.6% | – |
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 Jefferson Township, Butler County?
Owners occupy 82.5% of Jefferson Township, Butler County's occupied homes and renters 17.5%. The median owner-occupied home is valued at $300,500 by its owner (±$30,103). The median renter pays $1,009 a month including utilities, and 26.7% of renters pay 35% or more of their income on rent.
| Measure | Jefferson Township, Butler County | Butler County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $300,500±$30,103 | $294,200 | no clear change |
| Median gross rent | $1,009±$481 | $1,041 | no clear change |
| Renters paying 35% or more of income on rent | 26.7%±13.7 pts | 32.6% | −36.5 pts |
| Median monthly owner costs, with a mortgage | $1,851±$189 | $1,845 | – |
| Owner-occupied homes | 82.5%±6.2 pts | 76.9% | no clear change |
| Renter-occupied homes | 17.5%±6.2 pts | 23.1% | – |
| Housing units | 2,018±240 | 87,382 | no clear change |
| Homeowner vacancy rate | 0.0%±2.1 pts | 0.9% | – |
| Rental vacancy rate | 10.5%±15.6 pts | 5.2% | – |
| Single-family detached homes | 76.8%±6.9 pts | 69.5% | – |
| Mobile homes | 8.1%±4.5 pts | 6.8% | – |
| Built 2020 or later | 0.0%±1.6 pts | 2.4% | – |
| Built 2010 to 2019 | 5.9%±5.0 pts | 9.6% | – |
| Built 1939 or earlier | 23.2%±8.1 pts | 15.5% | – |
| Households with no vehicle | 5.0%±4.9 pts | 5.5% | – |
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 many new homes is Jefferson Township, Butler County building?
Builders took permits for 67 new housing units in Jefferson Township, Butler County in 2025 (3 in single-family houses), 13.1 per 1,000 residents against 2.0 across Pennsylvania.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Jefferson Township, Butler County work and get to work?
83.3% of Jefferson Township, Butler County's workers drive alone and 12.6% work from home. The average trip to work takes 30.7 minutes.
| Measure | Jefferson Township, Butler County | Butler County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 56.0%±7.5 pts | 62.5% | – |
| Unemployment rate | 6.9%±5.6 pts | 4.4% | – |
| Drove alone to work | 83.3%±7.8 pts | 74.1% | – |
| Carpooled | 1.2%±1.4 pts | 5.9% | – |
| Public transportation | 0.5%±1.3 pts | 0.3% | – |
| Walked | 1.9%±2.0 pts | 1.9% | – |
| Worked from home | 12.6%±6.5 pts | 16.8% | – |
| Mean travel time to work | 30.7 min±7.1 | 27.4 min | no clear change |
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 census tracts are in Jefferson Township, Butler County?
1 census tract lies mostly in Jefferson Township, Butler County (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 9115.01Butler County | 5,126 | $90,354 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Jefferson Township, Butler County) · Census block assignment files
How does Jefferson Township, Butler County compare with other places in Pennsylvania?
By the Census Bureau's July 2025 estimates, Jefferson Township, Butler County is the 2,271st-most populous of the 16,079 U.S. towns and townships that have one and the 373rd-most populous of 1,542 in Pennsylvania.
Jefferson Township, Butler County ranks 656th of 2,136 places in Pennsylvania with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 373rd | 1,542 |
| Growth 2020-2025 (PEP) | 1,386th | 1,764 |
| Residents per square mile | 1,386th | 2,159 |
| Median household income | 656th | 2,136 |
| Per capita income | 463rd | 2,157 |
| Median home value | 524th | 2,146 |
| Median gross rent | 1,047th | 1,963 |
| Bachelor's degree or higher | 812th | 2,129 |
| Median age | 980th | 2,157 |
| Owner-occupied share | 976th | 2,149 |
| Work from home | 834th | 1,710 |
| Travel time to work | 389th | 2,156 |
Jefferson Township, Butler County's figures with every place in Pennsylvania (CSV)
Every place in Pennsylvania, sortable · Compare Jefferson Township, Butler County with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Jefferson Township, Butler County?
24 of the 57 figures for Jefferson Township, Butler County 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.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. 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 · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Jefferson Township, Butler County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.