County · Pennsylvania

Dauphin County, Pennsylvania

Dauphin County, Pennsylvania. Dauphin County had 293,351 residents in 2025 by the Census Bureau's estimate, up 2.4% since 2020, faster than Pennsylvania (+0.4%). It holds 55 places (17 cities, villages and boroughs, 23 towns and townships and 15 census-designated) and 67 census tracts. GEOID 42043.

Dauphin County is one of the 3 counties of the Harrisburg-Carlisle, PA metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

293,351

Census Bureau estimate (no margin published)
2020 Census count: 286,401 · ACS 2020-2024: 289,593

Median household income

$76,242

±$1,935 (90% margin)
Pennsylvania: $77,971

Median home value

$236,400

±$3,814 (90% margin)
Pennsylvania: $254,500

Median gross rent

$1,217

±$26 (90% margin)
Pennsylvania: $1,209

How many people live in Dauphin County, and is it growing?

The 2020 Census counted 286,401 residents in Dauphin County. The Census Bureau estimates 293,351 for July 1, 2025, up 2.4% since 2020, faster than Pennsylvania (+0.4%). The 2020-2024 American Community Survey puts the population at 289,593 over 525 square miles of land.

  • July 2020→2021 +1,590 (288,284)
  • 2021→2022 +659 (288,943)
  • 2022→2023 +2,004 (290,947)
  • 2023→2024 +1,970 (292,917)
  • 2024→2025 +434 (293,351)
Dauphin County in Pennsylvania. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureDauphin CountyPennsylvaniaChange since 2015-2019
Total population289,59313,018,639+13,961
Households121,358±7305,274,853+9,146
Average household size2.33±0.012.39−0.06
Housing units127,828±1595,806,452+3,504

Dauphin County's population since 2000

From 251,798 in 2000 to 293,351 in 2025: up 16.5%. The 2000, 2010 and 2020 figures are census counts. 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 251,798
  • 2005 (estimate) 257,673
  • 2010 Census 268,100
  • 2015 (estimate) 273,195
  • 2020 Census 286,401
  • 2025 (estimate) 293,351

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); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Dauphin County?

Dauphin County holds 55 places: 17 cities, villages and boroughs (incorporated places), 23 towns and townships (county subdivisions with their own government) and 15 census-designated places. The largest is Lower Paxton Township with 55,564 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Dauphin County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Lower Paxton Townshiptownship53,50154,657±36$91,789$284,7006.1%100%
Harrisburgcity50,09950,287±51$48,099$124,20030.5%100%
Swatara Township, Dauphin Countytownship27,82427,953±29$80,444$214,4008.3%100%
Susquehanna Township, Dauphin Countytownship26,73627,245±29$84,832$227,1009.3%100%
Derry Township, Dauphin Countytownship24,71524,977±47$97,025$390,00013.1%100%
Colonial ParkCDP16,24318,032±1,808$73,105$231,1009.9%100%
HersheyCDP13,85814,242±817$78,587$379,20017.6%100%
ProgressCDP11,16811,017±1,237$73,030$202,50010.4%100%
West Hanover Townshiptownship10,69711,049±32$89,183$308,3003.2%100%
Middletown, Dauphin Countyborough9,5339,632±24$55,765$161,60012.4%100%
Lower Swatara Townshiptownship9,5319,796±21$87,163$234,6009.0%100%
South Hanover Townshiptownship7,2097,289±22$117,585$393,4006.4%100%
LinglestownCDP6,5396,957±894$92,558$259,4004.2%100%
Steeltonborough6,2636,296±20$58,194$134,80019.6%100%
East Hanover Township, Dauphin Countytownship6,0196,029±19$99,922$316,7005.7%100%
RutherfordCDP5,7656,890±853$83,636$214,2008.3%100%
PaxtoniaCDP5,4504,074±709$102,594$249,90011.2%100%
Middle Paxton Townshiptownship5,0485,088±19$80,391$262,7005.3%100%
LawntonCDP4,9674,765±1,077$84,861$222,6002.5%100%
Londonderry Township, Dauphin Countytownship4,8994,906±17$91,905$241,7008.9%100%
Hummelstownborough4,5444,527±43$63,175$245,10011.8%100%
Skyline ViewCDP4,4104,704±811$97,982$299,6002.6%100%
Upper Paxton Townshiptownship4,0104,026±16$58,105$188,50018.8%100%
Halifax Townshiptownship3,3493,351±22$70,854$204,8006.9%100%
Penbrookborough3,2743,266±19$62,312$168,1007.4%100%
Conewago Township, Dauphin Countytownship2,9522,999±38$108,083$382,5005.4%100%
Highspireborough2,7412,732±19$52,618$144,70014.3%100%
Millersburgborough2,5452,531±33$54,421$134,50013.0%100%
Washington Township, Dauphin Countytownship2,1292,137±308$80,682$233,50013.7%100%
Lykensborough1,8731,878±400$73,318$107,30023.0%100%
Jackson Township, Dauphin Countytownship1,8271,712±170$95,515$239,50012.4%100%
Paxtangborough1,6481,662±231$87,083$180,4004.1%100%
Lykens Townshiptownship1,5591,684±234$72,679$189,3005.8%100%
BresslerGEOID 4208432CDP1,5122,060±696$76,181$173,4005.8%100%
Elizabethvilleborough1,3571,350±284$68,864$174,3005.4%100%
PalmdaleCDP1,3081,542±532$62,628$261,40027.1%100%
Williamstownborough1,3031,345±155$61,757$100,70022.7%100%
Wayne Township, Dauphin Countytownship1,2661,294±170$122,417$298,1002.4%100%
Wiconisco Townshiptownship1,1591,050±192$68,438$116,7007.5%100%
Royaltonborough1,138941±256$67,500$166,30011.9%100%
Williams Township, Dauphin Countytownship1,0671,178±202$78,182$152,00016.7%100%
EnhautGEOID 4223704CDP1,0221,197±609$73,836$155,9005.6%100%
WiconsicoCDP844734±205$71,250$97,4007.2%100%
Mifflin Township, Dauphin Countytownship816857±147$81,071$234,80015.8%100%
Halifaxborough796515±135$53,472$202,20025.9%100%
Dauphinborough7951,075±339$45,625$198,80012.9%100%
Gratzborough743745±215not published$147,30025.0%100%
OberlinGEOID 4256264CDP670269±181$125,809$229,4000.0%100%
LenkervilleGEOID 4242704CDP504775±568not publishednot published68.1%100%
Union DepositGEOID 4278472CDP418808±458$118,051$275,00023.1%100%
Jefferson Township, Dauphin Countytownship360484±120$111,875$242,0001.7%100%
BerrysburgGEOID 4205856borough326301±105$61,964$153,80025.6%100%
Pillowborough292264±76$73,438$136,5004.5%100%
Reed Townshiptownship230195±49$80,417$213,5006.2%100%
Rush Township, Dauphin CountyGEOID 4204366744township228290±132$76,728$259,6001.4%100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Dauphin County?

The median resident of Dauphin County is 39.4 years old; 22.3% are under 18 and 18.0% are 65 or older. The largest group is non-Hispanic white residents at 60.6%, then non-Hispanic Black residents at 16.3%. 9.8% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureDauphin CountyPennsylvaniaChange since 2015-2019
Median age39.4±0.340.9no clear change
Under 18 years22.3%20.4%–
65 years and over18.0%±0.1 pts19.5%–
Hispanic or Latino (any race)11.8%8.7%+2.6 pts
White alone, not Hispanic60.6%±0.3 pts73.0%−5.2 pts
Black or African American alone, not Hispanic16.3%±0.3 pts10.3%−1.7 pts
Asian alone, not Hispanic6.5%±0.2 pts3.8%+2.1 pts
American Indian and Alaska Native alone, not Hispanic0.1%±0.1 pts0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.1 pts0.0%–
Two or more races, not Hispanic4.1%±0.4 pts3.6%–
Some other race alone, not Hispanic0.6%±0.2 pts0.5%–
Born outside the United States9.8%±0.5 pts7.7%+2.1 pts
Speak a language other than English at home (age 5+)14.8%±0.7 pts12.4%–
Civilian veterans (age 18+)6.6%±0.5 pts6.1%–
With a disability14.0%±0.5 pts14.4%–
No health insurance coverage6.4%±0.6 pts5.6%+1.1 pts
High school graduate or higher (age 25+)91.2%±0.7 pts92.1%–
Bachelor's degree or higher (age 25+)34.4%±1.1 pts35.2%+3.6 pts
Graduate or professional degree (age 25+)12.8%±0.6 pts14.3%–
Moved from another state in the past year2.0%±0.3 pts1.9%–

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 Dauphin County earn?

Half of Dauphin County's 121,358 households earn less than $76,242 a year (±$1,935), against $77,971 in Pennsylvania. In 2015-2019 it was $74,722 in 2024 dollars; the margins of error cannot tell the two periods apart. 12.9% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureDauphin CountyPennsylvaniaChange since 2015-2019
Median household income$76,242±$1,935$77,971no clear change
Mean household income$101,339±$2,700$107,538–
Per capita income$42,294±$1,041$44,355no clear change
People below the poverty line12.9%±0.9 pts11.7%no clear change
Children under 18 below the poverty line16.7%±2.0 pts15.6%−3.5 pts
Households receiving SNAP13.3%±1.0 pts14.4%–
Households with a broadband subscription90.3%±0.8 pts89.7%–

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 Dauphin County?

Owners occupy 63.1% of Dauphin County's occupied homes and renters 36.9%. The median owner-occupied home is valued at $236,400 by its owner (±$3,814). The median renter pays $1,217 a month including utilities, and 37.8% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureDauphin CountyPennsylvaniaChange since 2015-2019
Median home value (owner-occupied)$236,400±$3,814$254,500+$29,767
Median gross rent$1,217±$26$1,209+$49
Renters paying 35% or more of income on rent37.8%±2.2 pts39.5%no clear change
Median monthly owner costs, with a mortgage$1,660±$33$1,762–
Owner-occupied homes63.1%±0.9 pts69.3%no clear change
Housing units127,828±1595,806,452+3,504
Homeowner vacancy rate0.7%±0.3 pts0.8%–
Rental vacancy rate4.2%±1.0 pts4.9%–
Single-family detached homes49.5%±1.0 pts56.6%–
Mobile homes2.6%±0.4 pts3.5%–
Built 2020 or later1.2%±0.2 pts1.0%–
Built 1939 or earlier19.1%±0.9 pts25.0%–

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 Dauphin County building?

Builders took permits for 329 new housing units across Dauphin County in 2025 (180 single-family), 1.1 per 1,000 residents.

  • 2019 662 units
  • 2020 552 units
  • 2021 675 units
  • 2022 899 units
  • 2023 732 units
  • 2024 499 units
  • 2025 329 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Dauphin County get to work?

68.5% of Dauphin County's workers drive alone and 16.8% work from home. The average trip to work takes 21.5 minutes. The unemployment rate in 2020-2024 averaged 4.5%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureDauphin CountyPennsylvaniaChange since 2015-2019
In the labor force (age 16+)64.6%±0.8 pts62.7%–
Unemployment rate4.5%±0.5 pts5.3%no clear change
Drove alone to work68.5%±1.3 pts68.2%–
Carpooled8.2%±0.7 pts7.5%–
Public transportation1.3%±0.3 pts3.6%–
Walked2.8%±0.5 pts3.3%–
Worked from home16.8%±1.1 pts15.6%+11.6 pts
Mean travel time to work21.5 min±0.526.3 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 are Dauphin County's census tracts?

Dauphin County is divided into 67 census tracts. Among those with a reliable estimate, median household income runs from $24,792 (Tract 216) to $170,556 (Tract 241.04).

All 67 census tracts of Dauphin County, with their figures

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Dauphin County compare with Pennsylvania's other counties?

Dauphin County's rank among Pennsylvania's counties with a reliable estimate (1 = highest)
MeasureRank
Population14th of 67
Growth 2020-202512th of 67
Residents per square mile10th of 67
Median household income22nd of 67
Median home value22nd of 67
Median gross rent12th of 67
Poverty rate22nd of 67
Bachelor's degree or higher12th of 67
Median age63rd of 67

Every county in Pennsylvania

Source: PlainCities ranks 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 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 Dauphin 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.