Township · Pennsylvania

Delaware Township, Mercer County, Pennsylvania

Delaware Township, Mercer County, township, in Mercer County, Pennsylvania. Delaware Township, Mercer County had 2,022 residents on July 1, 2025 by the Census Bureau's estimate, down 1.9% since 2020; the 2020 Census counted 2,084 and the ACS 2020-2024 5-year estimates put it at 2,044 (±370). GEOID 4208518688.

Residents, July 2025 estimate

2,022

Census Bureau estimate (no margin published)
2020 Census count: 2,084 · ACS 2020-2024: 2,044 ±370

Median household income

$71,765

±$12,749 (90% margin)
Pennsylvania: $77,971

Median home value

$189,600

±$23,657 (90% margin)
Pennsylvania: $254,500

Median gross rent

$1,360

±$40 (90% margin)
Pennsylvania: $1,209

Where is Delaware Township, Mercer County and what county is it in?

Delaware Township, Mercer County is a township in Mercer County, Pennsylvania. It covers 32.7 square miles of land, 64 residents per square mile in 2020.

Delaware Township, Mercer County is in the Hermitage, PA micropolitan statistical area (Census Bureau delineation, July 2023).

Delaware Township, Mercer County (marked with a dot) in Mercer 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 Delaware Township, Mercer County, and is it growing?

The Census Bureau estimates that 2,022 people lived in Delaware Township, Mercer County on July 1, 2025, down 1.9% since 2020, while Pennsylvania grew 0.4%. The 2020 Census counted 2,084 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 2,044 (±370).

  • July 2020→2021 +1 (2,059)
  • 2021→2022 −15 (2,044)
  • 2022→2023 −11 (2,033)
  • 2023→2024 −8 (2,025)
  • 2024→2025 −3 (2,022)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureDelaware Township, Mercer CountyMercer CountyPennsylvaniaChange since 2015-2019
Total population2,044±370109,25713,018,639no clear change
Households946±13146,5245,274,853no clear change
Average household size2.12±0.182.212.39no clear change
Housing units975±13650,9305,806,452no clear change

Delaware Township, Mercer County's population since 2000

From 2,159 in 2000 to 2,022 in 2025: down 6.3%. The 2000, 2010 and 2020 figures are census counts, each for Delaware Township, Mercer 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.

  • 2000 Census 2,159
  • 2005 (estimate) 2,237
  • 2010 Census 2,291
  • 2015 (estimate) 2,240
  • 2020 Census 2,084
  • 2025 (estimate) 2,022

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 Delaware Township, Mercer County?

The median resident of Delaware Township, Mercer County is 53.8 years old; 13.9% are under 18 and 27.0% are 65 or older. The largest group is non-Hispanic white residents at 97.7%, then non-Hispanic residents of two or more races at 0.9%.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureDelaware Township, Mercer CountyMercer CountyPennsylvaniaChange since 2015-2019
Median age53.8±5.545.140.9no clear change
Under 18 years13.9%±4.3 pts18.9%20.4%–
65 years and over27.0%±7.6 pts23.1%19.5%–
Male55.3%±4.5 pts49.6%49.3%–
Hispanic or Latino (any race)0.7%±1.0 pts1.7%8.7%–
White alone, not Hispanic97.7%±1.7 pts87.9%73.0%no clear change
Black or African American alone, not Hispanic0.7%±1.0 pts5.6%10.3%–
Asian alone, not Hispanic0.0%±1.6 pts0.6%3.8%–
American Indian and Alaska Native alone, not Hispanic0.0%±1.6 pts0.1%0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±1.6 pts0.0%0.0%–
Two or more races, not Hispanic0.9%±0.9 pts3.7%3.6%–
Some other race alone, not Hispanic0.0%±1.6 pts0.4%0.5%–
Born outside the United States0.3%±0.8 pts1.8%7.7%–
Speak a language other than English at home (age 5+)1.2%±1.2 pts4.1%12.4%–
Civilian veterans (age 18+)13.5%±5.7 pts8.6%6.1%–
With a disability25.8%±6.9 pts17.3%14.4%–
No health insurance coverage3.4%±3.3 pts6.4%5.6%–
High school graduate or higher (age 25+)95.6%±2.3 pts91.7%92.1%–
Bachelor's degree or higher (age 25+)15.7%±4.4 pts25.6%35.2%no clear change
Graduate or professional degree (age 25+)5.5%±2.7 pts8.6%14.3%–
Lived in the same house a year earlier92.4%±4.7 pts91.0%89.3%–
Moved from another state in the past year4.3%±3.9 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 Delaware Township, Mercer County earn?

Half of Delaware Township, Mercer County's 946 households earn less than $71,765 a year (±$12,749), against $59,976 in Mercer County and $77,971 in Pennsylvania. In 2015-2019 it was $80,057 in 2024 dollars; the margins of error cannot tell the two periods apart. 8.9% 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
MeasureDelaware Township, Mercer CountyMercer CountyPennsylvaniaChange since 2015-2019
Median household income$71,765±$12,749$59,976$77,971no clear change
Mean household income$79,334±$7,876$79,381$107,538–
Per capita income$33,771±$4,803$34,033$44,355no clear change
People below the poverty line8.9%±4.2 pts13.2%11.7%no clear change
Children under 18 below the poverty line29.1%±16.3 pts20.6%15.6%–
Households receiving SNAP8.1%±3.0 pts17.4%14.4%–
Households with a computer91.9%±4.2 pts90.5%93.8%–
Households with a broadband subscription86.8%±5.1 pts85.7%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 Delaware Township, Mercer County?

Owners occupy 84.9% of Delaware Township, Mercer County's occupied homes and renters 15.1%. The median owner-occupied home is valued at $189,600 by its owner (±$23,657). The median renter pays $1,360 a month including utilities.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureDelaware Township, Mercer CountyMercer CountyPennsylvaniaChange since 2015-2019
Median home value (owner-occupied)$189,600±$23,657$164,000$254,500+$37,117
Median gross rent$1,360±$40$843$1,209+$336
Renters paying 35% or more of income on rent5.9%±11.6 pts37.2%39.5%–
Median monthly owner costs, with a mortgage$1,337±$226$1,266$1,762–
Owner-occupied homes84.9%±12.2 pts72.4%69.3%no clear change
Renter-occupied homes15.1%±12.2 pts27.6%30.7%–
Housing units975±13650,9305,806,452no clear change
Homeowner vacancy rate0.0%±4.0 pts1.3%0.8%–
Rental vacancy rate0.0%±20.2 pts3.6%4.9%–
Single-family detached homes93.9%±2.6 pts75.0%56.6%–
Mobile homes5.1%±2.5 pts7.0%3.5%–
Built 2020 or later0.0%±3.3 pts0.6%1.0%–
Built 2010 to 20191.1%±1.3 pts2.6%5.1%–
Built 1939 or earlier19.7%±6.6 pts22.1%25.0%–
Households with no vehicle6.6%±3.7 pts9.6%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 Delaware Township, Mercer County building?

Builders took permits for 2 new housing units in Delaware Township, Mercer County in 2025 (2 in single-family houses), 1.0 per 1,000 residents against 2.0 across Pennsylvania.

  • 2019 2 units
  • 2020 4 units
  • 2021 3 units
  • 2022 3 units
  • 2023 2 units
  • 2024 4 units
  • 2025 2 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 Delaware Township, Mercer County work and get to work?

90.2% of Delaware Township, Mercer County's workers drive alone. The average trip to work takes 26.9 minutes.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureDelaware Township, Mercer CountyMercer CountyPennsylvaniaChange since 2015-2019
In the labor force (age 16+)56.2%±7.0 pts54.6%62.7%–
Unemployment rate5.8%±4.8 pts5.3%5.3%–
Drove alone to work90.2%±5.7 pts79.6%68.2%–
Carpooled2.3%±1.9 pts6.4%7.5%–
Public transportation1.6%±2.4 pts0.2%3.6%–
Walked3.3%±2.9 pts2.9%3.3%–
Worked from home2.5%±2.2 pts9.3%15.6%–
Mean travel time to work26.9 min±3.721.7 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 Delaware Township, Mercer County?

1 census tract lies mostly in Delaware Township, Mercer County (2020 census blocks).

Census tracts in Delaware Township, Mercer County, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Delaware Township, Mercer County
Tract 324.03Mercer County2,358 $65,947 $174,50076%

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 Delaware Township, Mercer County) · Census block assignment files

How does Delaware Township, Mercer County compare with other places in Pennsylvania?

By the Census Bureau's July 2025 estimates, Delaware Township, Mercer County is the 4,806th-most populous of the 16,079 U.S. towns and townships that have one and the 778th-most populous of 1,542 in Pennsylvania.

Delaware Township, Mercer County ranks 1,297th of 2,136 places in Pennsylvania with 1,000 or more residents and a reliable estimate, by median household income.

Delaware Township, Mercer County'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 estimate778th1,542
Growth 2020-2025 (PEP)1,244th1,764
Residents per square mile1,868th2,159
Median household income1,297th2,136
Per capita income1,588th2,157
Median home value1,390th2,146
Median gross rent458th1,963
Poverty rate857th1,606
Bachelor's degree or higher1,816th2,129
Median age151st2,157
Owner-occupied share808th2,149
Travel time to work872nd2,156

Delaware Township, Mercer County's figures with every place in Pennsylvania (CSV)

Every place in Pennsylvania, sortable · Compare Delaware Township, Mercer 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 Delaware Township, Mercer County?

22 of the 57 figures for Delaware Township, Mercer 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 Delaware Township, Mercer 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.