Township · Pennsylvania

Lower Southampton Township, Pennsylvania

Lower Southampton Township, township, in Bucks County, Pennsylvania. Lower Southampton Township had 20,414 residents on July 1, 2025 by the Census Bureau's estimate, down 0.9% since 2020; the 2020 Census counted 20,599 and the ACS 2020-2024 5-year estimates put it at 20,555 (±51). GEOID 4201745112.

Residents, July 2025 estimate

20,414

Census Bureau estimate (no margin published)
2020 Census count: 20,599 · ACS 2020-2024: 20,555 ±51

Median household income

$103,211

±$9,663 (90% margin)
Pennsylvania: $77,971

Median home value

$403,300

±$20,170 (90% margin)
Pennsylvania: $254,500

Median gross rent

$1,449

±$80 (90% margin)
Pennsylvania: $1,209

Where is Lower Southampton Township and what county is it in?

Lower Southampton Township is a township in Bucks County, Pennsylvania. It covers 6.7 square miles of land, 3,086 residents per square mile in 2020.

2 places lie inside Lower Southampton Township: Trevose (CDP, 3,842 in 2020) and Feasterville (CDP, 3,066 in 2020).

Lower Southampton Township is in the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metropolitan statistical area, which takes in 11 counties (Census Bureau delineation, July 2023).

Lower Southampton Township (marked with a dot) in Bucks County, Pennsylvania. Boundaries: Census Bureau 2024.

Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files

How many people live in Lower Southampton Township, and is it growing?

The Census Bureau estimates that 20,414 people lived in Lower Southampton Township on July 1, 2025, down 0.9% since 2020, while Pennsylvania grew 0.4%. The 2020 Census counted 20,599 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 20,555 (±51).

  • July 2020→2021 +28 (20,609)
  • 2021→2022 −98 (20,511)
  • 2022→2023 −20 (20,491)
  • 2023→2024 −25 (20,466)
  • 2024→2025 −52 (20,414)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureLower Southampton TownshipBucks CountyPennsylvaniaChange since 2015-2019
Total population20,555±51647,46113,018,639+1,409
Households7,847±375249,1875,274,853+727
Average household size2.62±0.122.562.39no clear change
Housing units8,088±372257,2605,806,452+810

Lower Southampton Township's population since 2000

From 19,276 in 2000 to 20,414 in 2025: up 5.9%. The 2000, 2010 and 2020 figures are census counts, each for Lower Southampton Township 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.

  • 2000 Census 19,276
  • 2005 (estimate) 19,244
  • 2010 Census 18,909
  • 2015 (estimate) 19,094
  • 2020 Census 20,599
  • 2025 (estimate) 20,414

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 Lower Southampton Township?

The median resident of Lower Southampton Township is 45.4 years old; 18.3% are under 18 and 20.0% are 65 or older. The largest group is non-Hispanic white residents at 84.3%, then non-Hispanic Asian residents at 6.6%. 17.5% of residents were born outside the United States.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureLower Southampton TownshipBucks CountyPennsylvaniaChange since 2015-2019
Median age45.4±3.744.240.9+4.7
Under 18 years18.3%±1.8 pts19.9%20.4%–
65 years and over20.0%±2.1 pts20.5%19.5%–
Male48.4%±1.8 pts49.5%49.3%–
Hispanic or Latino (any race)1.9%±1.3 pts6.6%8.7%–
White alone, not Hispanic84.3%±3.1 pts79.9%73.0%−8.3 pts
Black or African American alone, not Hispanic1.4%±1.3 pts3.7%10.3%–
Asian alone, not Hispanic6.6%±2.2 pts5.0%3.8%+3.8 pts
American Indian and Alaska Native alone, not Hispanic0.1%±0.1 pts0.0%0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.2 pts0.0%0.0%–
Two or more races, not Hispanic5.8%±1.8 pts4.0%3.6%–
Some other race alone, not Hispanic0.0%±0.2 pts0.8%0.5%–
Born outside the United States17.5%±3.4 pts10.4%7.7%no clear change
Speak a language other than English at home (age 5+)19.7%±3.7 pts13.4%12.4%–
Civilian veterans (age 18+)5.4%±1.4 pts5.4%6.1%–
With a disability9.4%±1.7 pts11.5%14.4%–
No health insurance coverage4.0%±1.3 pts3.9%5.6%no clear change
High school graduate or higher (age 25+)94.0%±1.9 pts95.0%92.1%–
Bachelor's degree or higher (age 25+)35.1%±3.1 pts44.8%35.2%+5.0 pts
Graduate or professional degree (age 25+)10.4%±2.1 pts18.3%14.3%–
Lived in the same house a year earlier93.4%±1.7 pts91.9%89.3%–
Moved from another state in the past year0.3%±0.3 pts1.6%1.9%–

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 Lower Southampton Township earn?

Half of Lower Southampton Township's 7,847 households earn less than $103,211 a year (±$9,663), against $114,764 in Bucks County and $77,971 in Pennsylvania. In 2015-2019 it was $109,180 in 2024 dollars; the margins of error cannot tell the two periods apart. 4.9% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates; 2015-2019 dollars adjusted with the R-CPI-U-RS
MeasureLower Southampton TownshipBucks CountyPennsylvaniaChange since 2015-2019
Median household income$103,211±$9,663$114,764$77,971no clear change
Mean household income$131,376±$11,102$150,981$107,538–
Per capita income$50,926±$4,142$59,022$44,355no clear change
People below the poverty line4.9%±1.8 pts6.1%11.7%no clear change
Children under 18 below the poverty line3.1%±2.1 pts7.1%15.6%–
Households receiving SNAP8.1%±2.8 pts7.8%14.4%–
Households with a computer97.0%±2.1 pts97.0%93.8%–
Households with a broadband subscription96.4%±2.0 pts94.8%89.7%–

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 Lower Southampton Township?

Owners occupy 83.2% of Lower Southampton Township's occupied homes and renters 16.8%. The median owner-occupied home is valued at $403,300 by its owner (±$20,170). The median renter pays $1,449 a month including utilities, and 40.3% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureLower Southampton TownshipBucks CountyPennsylvaniaChange since 2015-2019
Median home value (owner-occupied)$403,300±$20,170$445,700$254,500+$41,845
Median gross rent$1,449±$80$1,605$1,209−$136
Renters paying 35% or more of income on rent40.3%±12.0 pts39.3%39.5%no clear change
Median monthly owner costs, with a mortgage$2,300±$84$2,436$1,762–
Owner-occupied homes83.2%±2.6 pts77.8%69.3%no clear change
Renter-occupied homes16.8%±2.6 pts22.2%30.7%–
Housing units8,088±372257,2605,806,452+810
Homeowner vacancy rate0.0%±0.5 pts0.4%0.8%–
Rental vacancy rate6.9%±4.9 pts3.1%4.9%–
Single-family detached homes71.0%±4.0 pts63.4%56.6%–
Mobile homes7.0%±3.1 pts1.9%3.5%–
Built 2020 or later0.3%±0.3 pts0.9%1.0%–
Built 2010 to 201910.6%±2.4 pts4.8%5.1%–
Built 1939 or earlier7.4%±2.7 pts9.9%25.0%–
Households with no vehicle3.1%±1.6 pts4.9%10.4%–

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 Lower Southampton Township building?

Builders took permits for 3 new housing units in Lower Southampton Township in 2025 (3 in single-family houses), 0.1 per 1,000 residents against 2.0 across Pennsylvania.

  • 2019 23 units
  • 2020 12 units
  • 2021 8 units
  • 2022 2 units
  • 2023 4 units
  • 2024 7 units
  • 2025 3 units

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 Lower Southampton Township work and get to work?

69.8% of Lower Southampton Township's workers drive alone and 17.2% work from home. The average trip to work takes 34.1 minutes. The unemployment rate in 2020-2024 averaged 7.6%.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureLower Southampton TownshipBucks CountyPennsylvaniaChange since 2015-2019
In the labor force (age 16+)69.3%±2.9 pts66.0%62.7%–
Unemployment rate7.6%±2.9 pts4.4%5.3%+3.7 pts
Drove alone to work69.8%±3.7 pts69.6%68.2%–
Carpooled10.2%±3.0 pts6.3%7.5%–
Public transportation2.2%±1.0 pts2.0%3.6%–
Walked0.3%±0.3 pts1.3%3.3%–
Worked from home17.2%±2.7 pts19.6%15.6%+12.2 pts
Mean travel time to work34.1 min±5.729.0 min26.3 minno 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 Lower Southampton Township?

4 census tracts lie mostly in Lower Southampton Township (2020 census blocks). Their median household incomes run from $85,777 (Tract 1014.05) to $122,016 (Tract 1014.03).

Census tracts in Lower Southampton Township, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Lower Southampton Township
Tract 1014.03Bucks County6,177 $122,016 $408,100100%
Tract 1014.05Bucks County6,096 $85,777 $375,500100%
Tract 1014.01Bucks County5,048 $106,765 $429,500100%
Tract 1014.04Bucks County3,234 $97,292 $400,900100%

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 Lower Southampton Township) · Census block assignment files

How does Lower Southampton Township compare with other places in Pennsylvania?

By the Census Bureau's July 2025 estimates, Lower Southampton Township is the 578th-most populous of the 16,079 U.S. towns and townships that have one and the 70th-most populous of 1,542 in Pennsylvania.

Lower Southampton Township ranks 379th of 2,136 places in Pennsylvania with 1,000 or more residents and a reliable estimate, by median household income.

Lower Southampton Township's rank in Pennsylvania (1 = highest): by population among the state's towns and townships with a 2025 estimate; by the other measures among places of 1,000+ residents with a reliable estimate
MeasureRankOf
Population, July 2025 estimate70th1,542
Growth 2020-2025 (PEP)1,023rd1,764
Residents per square mile385th2,159
Median household income379th2,136
Per capita income408th2,157
Median home value220th2,146
Median gross rent341st1,963
Poverty rate1,346th1,606
Bachelor's degree or higher591st2,129
Median age884th2,157
Owner-occupied share928th2,149
Work from home446th1,710
Travel time to work180th2,156

Lower Southampton Township's figures with every place in Pennsylvania (CSV)

Every place in Pennsylvania, sortable · Compare Lower Southampton Township 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 Lower Southampton Township?

11 of the 57 figures for Lower Southampton Township 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 Lower Southampton Township 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.