Township · Pennsylvania

Upper Merion Township, Pennsylvania

Upper Merion Township, township, in Montgomery County, Pennsylvania. Upper Merion Township had 36,674 residents on July 1, 2025 by the Census Bureau's estimate, up 9.1% since 2020; the 2020 Census counted 33,613 and the ACS 2020-2024 5-year estimates put it at 34,977 (±30). GEOID 4209179136.

Residents, July 2025 estimate

36,674

Census Bureau estimate (no margin published)
2020 Census count: 33,613 · ACS 2020-2024: 34,977 ±30

Median household income

$121,985

±$5,754 (90% margin)
Pennsylvania: $77,971

Median home value

$455,300

±$12,303 (90% margin)
Pennsylvania: $254,500

Median gross rent

$2,087

±$74 (90% margin)
Pennsylvania: $1,209

Where is Upper Merion Township and what county is it in?

Upper Merion Township is a township in Montgomery County, Pennsylvania. It covers 17.0 square miles of land, 1,980 residents per square mile in 2020.

2 places lie inside Upper Merion Township: King of Prussia (CDP, 24,695 in 2020) and Swedeland (CDP, 1,495 in 2020).

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

Upper Merion Township (marked with a dot) in Montgomery 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 Upper Merion Township, and is it growing?

The Census Bureau estimates that 36,674 people lived in Upper Merion Township on July 1, 2025, up 9.1% since 2020, faster than Pennsylvania (+0.4%). The 2020 Census counted 33,613 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 34,977 (±30).

  • July 2020→2021 +644 (34,256)
  • 2021→2022 +514 (34,770)
  • 2022→2023 +973 (35,743)
  • 2023→2024 +491 (36,234)
  • 2024→2025 +440 (36,674)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureUpper Merion TownshipMontgomery CountyPennsylvaniaChange since 2015-2019
Total population34,977±30867,57313,018,639+4,717
Households15,260±464335,5055,274,853+2,211
Average household size2.28±0.072.522.39no clear change
Housing units16,222±466350,3515,806,452+2,173

Upper Merion Township's population since 2000

From 26,863 in 2000 to 36,674 in 2025: up 36.5%. The 2000, 2010 and 2020 figures are census counts, each for Upper Merion 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 26,863
  • 2005 (estimate) 27,788
  • 2010 Census 28,395
  • 2015 (estimate) 28,526
  • 2020 Census 33,613
  • 2025 (estimate) 36,674

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 Upper Merion Township?

The median resident of Upper Merion Township is 37.5 years old; 18.2% are under 18 and 15.5% are 65 or older. The largest group is non-Hispanic white residents at 65.3%, then non-Hispanic Asian residents at 17.7%. 19.4% 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.
MeasureUpper Merion TownshipMontgomery CountyPennsylvaniaChange since 2015-2019
Median age37.5±1.641.240.9no clear change
Under 18 years18.2%±1.3 pts21.3%20.4%–
65 years and over15.5%±1.4 pts18.8%19.5%–
Male48.8%±1.7 pts49.0%49.3%–
Hispanic or Latino (any race)5.4%±1.3 pts6.7%8.7%+2.4 pts
White alone, not Hispanic65.3%±2.9 pts71.5%73.0%−4.3 pts
Black or African American alone, not Hispanic7.6%±2.2 pts9.2%10.3%no clear change
Asian alone, not Hispanic17.7%±2.2 pts8.0%3.8%no clear change
American Indian and Alaska Native alone, not Hispanic0.0%±0.1 pts0.0%0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.1 pts0.0%0.0%–
Two or more races, not Hispanic2.8%±0.8 pts4.0%3.6%–
Some other race alone, not Hispanic1.2%±0.7 pts0.6%0.5%–
Born outside the United States19.4%±2.2 pts11.5%7.7%no clear change
Speak a language other than English at home (age 5+)22.4%±2.1 pts14.7%12.4%–
Civilian veterans (age 18+)4.3%±1.1 pts4.7%6.1%–
With a disability8.5%±0.9 pts10.7%14.4%–
No health insurance coverage3.5%±1.0 pts3.9%5.6%no clear change
High school graduate or higher (age 25+)97.8%±0.6 pts95.1%92.1%–
Bachelor's degree or higher (age 25+)65.0%±2.3 pts53.0%35.2%+4.8 pts
Graduate or professional degree (age 25+)27.2%±2.3 pts23.5%14.3%–
Lived in the same house a year earlier85.5%±2.3 pts90.2%89.3%–
Moved from another state in the past year3.6%±1.3 pts1.7%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 Upper Merion Township earn?

Half of Upper Merion Township's 15,260 households earn less than $121,985 a year (±$5,754), against $113,915 in Montgomery County and $77,971 in Pennsylvania. In 2015-2019 it was $118,049 in 2024 dollars; the margins of error cannot tell the two periods apart. 4.5% 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
MeasureUpper Merion TownshipMontgomery CountyPennsylvaniaChange since 2015-2019
Median household income$121,985±$5,754$113,915$77,971no clear change
Mean household income$146,875±$5,932$158,091$107,538–
Per capita income$65,042±$2,935$62,159$44,355no clear change
People below the poverty line4.5%±1.1 pts6.5%11.7%no clear change
Children under 18 below the poverty line5.0%±3.1 pts7.8%15.6%no clear change
Households receiving SNAP2.7%±0.8 pts6.6%14.4%–
Households with a computer98.8%±0.5 pts96.7%93.8%–
Households with a broadband subscription95.7%±1.4 pts94.3%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 Upper Merion Township?

Owners occupy 55.1% of Upper Merion Township's occupied homes and renters 44.9%. The median owner-occupied home is valued at $455,300 by its owner (±$12,303). The median renter pays $2,087 a month including utilities, and 31.5% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureUpper Merion TownshipMontgomery CountyPennsylvaniaChange since 2015-2019
Median home value (owner-occupied)$455,300±$12,303$436,700$254,500+$36,987
Median gross rent$2,087±$74$1,683$1,209+$267
Renters paying 35% or more of income on rent31.5%±4.8 pts40.3%39.5%no clear change
Median monthly owner costs, with a mortgage$2,402±$84$2,441$1,762–
Owner-occupied homes55.1%±2.2 pts71.4%69.3%−9.3 pts
Renter-occupied homes44.9%±2.2 pts28.6%30.7%–
Housing units16,222±466350,3515,806,452+2,173
Homeowner vacancy rate0.6%±0.6 pts0.8%0.8%–
Rental vacancy rate7.3%±2.7 pts5.5%4.9%–
Single-family detached homes39.3%±2.2 pts53.0%56.6%–
Mobile homes0.6%±0.6 pts0.8%3.5%–
Built 2020 or later2.7%±1.1 pts1.5%1.0%–
Built 2010 to 201916.4%±1.6 pts6.6%5.1%–
Built 1939 or earlier5.7%±1.3 pts16.0%25.0%–
Households with no vehicle6.0%±1.8 pts5.7%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 Upper Merion Township building?

Builders took permits for 266 new housing units in Upper Merion Township in 2025 (266 in single-family houses), 7.3 per 1,000 residents against 2.0 across Pennsylvania.

  • 2019 55 units
  • 2020 289 units
  • 2021 291 units
  • 2022 484 units
  • 2023 203 units
  • 2024 279 units
  • 2025 266 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 Upper Merion Township work and get to work?

62.2% of Upper Merion Township's workers drive alone and 29.8% work from home. The average trip to work takes 24.8 minutes. The unemployment rate in 2020-2024 averaged 4.9%.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureUpper Merion TownshipMontgomery CountyPennsylvaniaChange since 2015-2019
In the labor force (age 16+)74.4%±1.8 pts67.8%62.7%–
Unemployment rate4.9%±1.9 pts4.5%5.3%no clear change
Drove alone to work62.2%±3.2 pts64.4%68.2%–
Carpooled4.5%±1.1 pts6.2%7.5%–
Public transportation1.7%±0.5 pts2.9%3.6%–
Walked1.2%±0.6 pts2.0%3.3%–
Worked from home29.8%±3.0 pts23.3%15.6%+22.8 pts
Mean travel time to work24.8 min±1.327.8 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 Upper Merion Township?

13 census tracts lie mostly in Upper Merion Township (2020 census blocks). Their median household incomes run from $78,948 (Tract 2059.05) to $168,947 (Tract 2059.04).

Census tracts in Upper Merion Township, ACS 2020-2024 5-year estimates (the 12 with the most residents inside it; every tract on the full list)
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Upper Merion Township
Tract 2058.08Montgomery County5,645 $137,500 $493,800100%
Tract 2058.10Montgomery County4,247 $111,230 $293,800100%
Tract 2058.05Montgomery County3,653 $140,919 $390,700100%
Tract 2059.05Montgomery County3,616 $78,948 $432,800100%
Tract 2058.11Montgomery County3,180 $107,083 $645,400100%
Tract 2058.09Montgomery County2,686 $148,553 $472,500100%
Tract 2059.03Montgomery County2,611 $168,393 $641,000100%
Tract 2059.04Montgomery County2,466 $168,947 $624,500100%
Tract 2058.07Montgomery County2,347 $107,419 $356,200100%
Tract 2058.06Montgomery County2,278 $118,958 $368,800100%
Tract 2059.06Montgomery County2,248 $106,250 $375,100100%
Tract 9802Montgomery County0 not published not published100%

Every census tract in Upper Merion Township, with its figures

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 Upper Merion Township) · Census block assignment files

How does Upper Merion Township compare with other places in Pennsylvania?

By the Census Bureau's July 2025 estimates, Upper Merion Township is the 267th-most populous of the 16,079 U.S. towns and townships that have one and the 14th-most populous of 1,542 in Pennsylvania.

Upper Merion Township ranks 197th of 2,136 places in Pennsylvania with 1,000 or more residents and a reliable estimate, by median household income.

Upper Merion 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 estimate14th1,542
Growth 2020-2025 (PEP)46th1,764
Residents per square mile625th2,159
Median household income197th2,136
Per capita income134th2,157
Median home value149th2,146
Median gross rent77th1,963
Poverty rate1,403rd1,606
Bachelor's degree or higher98th2,129
Median age1,837th2,157
Owner-occupied share1,933rd2,149
Work from home72nd1,710
Travel time to work1,242nd2,156

Upper Merion Township's figures with every place in Pennsylvania (CSV)

Every place in Pennsylvania, sortable · Compare Upper Merion 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 Upper Merion Township?

4 of the 57 figures for Upper Merion 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 Upper Merion 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.