Dauphin County, Pennsylvania

Dauphin County profile, demographic data, and geographic information.

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF

Government Unit	Unit Type	Jurisdiction Role	Contact / Address
COUNTY OF DAUPHIN GUS Population: 293,029 (2024) ID: 173720	County	Official County Government	Contact: DAUPHIN COUNTY COMMISSIONERS PO BOX 1295, HARRISBURG PA 17108-1295
TOWNSHIP OF LOWER PAXTON GUS Population: 55,465 (2024) ID: 211235	Township	Municipal Government Within County	Contact: MANAGER 425 PRINCE ST, STE 150, HARRISBURG PA 17109-2898
CITY OF HARRISBURG GUS Population: 50,649 (2024) ID: 173922	Municipal	Municipal Government Within County	Contact: DIRECTOR, DBHD 10 N 2ND ST, STE 103, HARRISBURG PA 17101-1677
TOWNSHIP OF SUSQUEHANNA GUS Population: 28,214 (2024) ID: 133752	Township	Municipal Government Within County	Contact: OFFICE MANAGER 1900 LINGLESTOWN RD, 1, HARRISBURG PA 17110-3301
TOWNSHIP OF SWATARA GUS Population: 28,006 (2024) ID: 174428	Township	Municipal Government Within County	Contact: PRESIDENT 599 EISENHOWER BLVD, HARRISBURG PA 17111
TOWNSHIP OF DERRY GUS Population: 25,181 (2024) ID: 112176	Township	Municipal Government Within County	Contact: TOWNSHIP MANAGER 600 CLEARWATER RD, HERSHEY PA 17033-1996
TOWNSHIP OF WEST HANOVER GUS Population: 11,366 (2024) ID: 184055	Township	Municipal Government Within County	Contact: ZONING ADMINISTRATOR 7171 ALLENTOWN BLVD, HARRISBURG PA 17112-3629
TOWNSHIP OF LOWER SWATARA GUS Population: 10,008 (2024) ID: 205300	Township	Municipal Government Within County	Contact: PRESIDENT 1499 SPRING GARDEN DR, MIDDLETOWN PA 17057-3295
BOROUGH OF MIDDLETOWN GUS Population: 9,748 (2024) ID: 111947	Municipal	Municipal Government Within County	Contact: BOROUGH SECRETARY 60 W EMAUS ST, MIDDLETOWN PA 17057-1407
TOWNSHIP OF SOUTH HANOVER GUS Population: 7,368 (2024) ID: 174427	Township	Municipal Government Within County	Contact: TOWNSHIP MANAGER 111 W 3RD ST, HERSHEY PA 17033-2408
BOROUGH OF STEELTON GUS Population: 6,358 (2024) ID: 173926	Municipal	Municipal Government Within County	Contact: MANAGER 123 N FRONT ST, STE 4, STEELTON PA 17113-2238
TOWNSHIP OF EAST HANOVER GUS Population: 6,061 (2024) ID: 133750	Township	Municipal Government Within County	Contact: TOWNSHIP MANAGER 8848 JONESTOWN RD, GRANTVILLE PA 17028-8650
TOWNSHIP OF MIDDLE PAXTON GUS Population: 5,125 (2024) ID: 174425	Township	Municipal Government Within County	Contact: MANAGER ASSISTANT SEC TREASURER PO BOX 277, DAUPHIN PA 17018-0277
TOWNSHIP OF LONDONDERRY GUS Population: 4,924 (2024) ID: 174423	Township	Municipal Government Within County	Contact: CHAIRMAN 783 S GEYERS CHURCH RD, MIDDLETOWN PA 17057-4400
BOROUGH OF HUMMELSTOWN GUS Population: 4,542 (2024) ID: 173923	Municipal	Municipal Government Within County	Contact: ADMINISTRATIVE ASST. 136 S HANOVER ST, HUMMELSTOWN PA 17036-2207
TOWNSHIP OF UPPER PAXTON GUS Population: 4,044 (2024) ID: 174429	Township	Municipal Government Within County	Contact: SUPERVISOR 506 BERRYSBURG ROAD, MILLERSBURG PA 17061-1202
TOWNSHIP OF HALIFAX GUS Population: 3,360 (2024) ID: 174420	Township	Municipal Government Within County	Contact: SECRETARY/TREASURER 102 FISHER ST, HALIFAX PA 17032
BOROUGH OF PENBROOK GUS Population: 3,263 (2024) ID: 133535	Municipal	Municipal Government Within County	Contact: BOROUGH MANAGER 150 S 28TH ST, HARRISBURG PA 17103-1996
TOWNSHIP OF CONEWAGO GUS Population: 3,059 (2024) ID: 174419	Township	Municipal Government Within County	Contact: JENNA SEESHOLTZ 3279 OLD HERSHEY RD, ELIZABETHTOWN PA 17022
BOROUGH OF HIGHSPIRE GUS Population: 2,734 (2024) ID: 191342	Municipal	Municipal Government Within County	Contact: ASSISTANT BOROUGH SECRETARY 640 ESHELMAN ST, HIGHSPIRE PA 17034-1610
BOROUGH OF MILLERSBURG GUS Population: 2,546 (2024) ID: 139790	Municipal	Municipal Government Within County	Contact: MAYOR 101 WEST ST, STE 1, MILLERSBURG PA 17061-1363
TOWNSHIP OF WASHINGTON GUS Population: 2,132 (2024) ID: 209349	Township	Municipal Government Within County	Contact: CHAIRMAN 185 MANORS RD, ELIZABETHVILLE PA 17023-8733
BOROUGH OF LYKENS GUS Population: 1,874 (2024) ID: 173924	Municipal	Municipal Government Within County	Contact: MAYOR 200 MAIN ST, STE 1, LYKENS PA 17048-1133
TOWNSHIP OF JACKSON GUS Population: 1,851 (2024) ID: 174421	Township	Municipal Government Within County	Contact: SEC TREAS 450 BASTIAN RD, HALIFAX PA 17032
BOROUGH OF PAXTANG GUS Population: 1,640 (2024) ID: 173925	Municipal	Municipal Government Within County	Contact: BOROUGH MANAGER 3423 DERRY ST, HARRISBURG PA 17111-1813
TOWNSHIP OF LYKENS GUS Population: 1,607 (2024) ID: 174424	Township	Municipal Government Within County	Contact: SECRETARY TREASURER 2073 E MIDDLE RD, LYKENS PA 17048
BOROUGH OF ELIZABETHVILLE GUS Population: 1,352 (2024) ID: 111946	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 578, ELIZABETHVILLE PA 17023-0578
BOROUGH OF WILLIAMSTOWN GUS Population: 1,301 (2024) ID: 111950	Municipal	Municipal Government Within County	Contact: SECRETARY/TREASURER PO BOX 44, WILLIAMSTOWN PA 17098-0044
TOWNSHIP OF WAYNE GUS Population: 1,289 (2024) ID: 187311	Township	Municipal Government Within County	Contact: SECRETARY/TREASURER 1652 POWELL'S VALLEY ROAD, HALIFAX PA 17032
TOWNSHIP OF WICONISCO GUS Population: 1,168 (2024) ID: 174430	Township	Municipal Government Within County	Contact: CHAIRMAN PO BOX 370, WICONISCO PA 17097-0370
BOROUGH OF ROYALTON GUS Population: 1,134 (2024) ID: 111949	Municipal	Municipal Government Within County	Contact: SEC/TREAS 101 NORTHUMBERLAND ST, MIDDLETOWN PA 17057-1612
TOWNSHIP OF WILLIAMS GUS Population: 1,064 (2024) ID: 174431	Township	Municipal Government Within County	Contact: SECRETARY TREASURER 1 ORANGE ST, PO BOX 7, WILLIAMSTOWN PA 17098-0007
TOWNSHIP OF MIFFLIN GUS Population: 815 (2024) ID: 133751	Township	Municipal Government Within County	Contact: PRESIDENT 543 MUNICIPAL ROAD, MILLERSBURG PA 17061
BOROUGH OF HALIFAX GUS Population: 813 (2024) ID: 173921	Municipal	Municipal Government Within County	Contact: SEC TREAS PO BOX 419, HALIFAX PA 17032-0902
BOROUGH OF DAUPHIN GUS Population: 796 (2024) ID: 133534	Municipal	Municipal Government Within County	Contact: MAYOR 605 ALLEGHENY ST, DAUPHIN PA 17018-8910
BOROUGH OF GRATZ GUS Population: 740 (2024) ID: 139789	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 305, GRATZ PA 17030-0305
TOWNSHIP OF JEFFERSON GUS Population: 360 (2024) ID: 174422	Township	Municipal Government Within County	Contact: SEC TREAS 200 CARSONVILLE RD, HALIFAX PA 17032-9679
BOROUGH OF BERRYSBURG GUS Population: 323 (2024) ID: 173920	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 213, BERRYSBURG PA 17005-0213
BOROUGH OF PILLOW GUS Population: 291 (2024) ID: 133536	Municipal	Municipal Government Within County	Contact: SECRETARY/TREASURER PO BOX 51, PILLOW PA 17080-0051
TOWNSHIP OF REED GUS Population: 231 (2024) ID: 202490	Township	Municipal Government Within County	Contact: SECRETARY / TREASURER 179 RUPP RD, HALIFAX PA 17032-9604
TOWNSHIP OF RUSH GUS Population: 227 (2024) ID: 174426	Township	Municipal Government Within County	Contact: CHAIRMAN BOARD OF SUPERVISORS 338 REINERS SCHOOL RD, TOWER CITY PA 17980-9514