Dauphin County (/ˈdɔːfɪn/; Pennsylvania Dutch: Daffin Kaundi) is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 286,401. The county seat is Harrisburg, Pennsylvania's state capital and ninth-most populous city. The county was created on March 4, 1785, from part of Lancaster County and was named after Louis Joseph, Dauphin of France, the first son of King Louis XVI. Dauphin County is included in the Harrisburg–Carlisle Metropolitan Statistical Area. Located within the county is Three Mile Island Nuclear Generating Station, site of the 1979 nuclear core meltdown. The nuclear power plant closed in 2019. The county is part of the South Central region of the commonwealth.

Key Cities/Towns

City

Harrisburg (county seat)

Boroughs
Berrysburg Dauphin Elizabethville Gratz Halifax Highspire Hummelstown Lykens	Middletown Millersburg Paxtang Penbrook Pillow Royalton Steelton Williamstown

Townships
Conewago Derry East Hanover Halifax Jackson Jefferson Londonderry Lower Paxton	Lower Swatara Lykens Middle Paxton Mifflin Reed Rush South Hanover Susquehanna	Swatara Upper Paxton Washington Wayne West Hanover Wiconisco Williams

Megan's Law Statistics

(Copy from PA Megan's Law Database, click on Community Tools at top then the 3rd "Count of..." link and tally residents only)


County Total	Lifetime	Out of State	Pre-SORNA SVP	SVDC	SVP	Ten-Year	T1	T2	T3
905	265	88	105	0	17	64	143	102	121

Last updated: 09/08/25

Registration Sites

(copy from https://www.meganslaw.psp.pa.gov/VerificationSites/VerificationSiteSearch)

Dauphin Co Prison, 501 MALL RD, HARRISBURG PA 17111, 717-780-6800
State Police Harrisburg, 8000 Bretz Drive, HARRISBURG PA 17112, 717-671-7500
State Police Lykens, 4673 State Route 209, ELIZABETHVILLE PA 17023, 717-362-8700

County parole/probation office contact information

Replace with relevant links:

Adult Probation

Local Reentry Resources

If you know of any local reentry organizations in the county, please contact us at contact@parsol.org. Replace with relevant links:

a

SOAB Approved Treatment Providers

Reference SOAB website - Remove ones that don't apply

Other PFR-specific resources

Daily Newspapers

State Representatives

Replace as relevant from directory at palegis.us.

State Senators

Replace as relevant from directory at palegis.us.

Sen. Patty Kim (D15)
Sen. Greg Rothman (R34)

Primary Broadcast Media

Replace as relevant - pull from https://en.wikipedia.org/wiki/List_of_television_stations_in_Pennsylvania#Full-power_stations

WGAL	8	NBC
WHP-TV	21	CBS, MyNetworkTV on 21.2, The CW on 21.3
WHTM-TV	27	ABC, Ion Television on 27.2
WITF-TV	33	PBS
WPMT	43	Fox
WLYH	49	Lighthouse TV

PARSOL Information

Region & Contact

Region: Northeast Lehigh Valley Southeast Southwest East Central (Capital Region) Northwest Philadelphia Pittsburgh
Contact:

County Contact

First Name Last Initial