File:Dauphin_County_Courthouse.jpg · Wikimedia Commons · See Wikimedia Commons
Dauphin County
Sign in to saveAlso known as Dauphin County, Pennsylvania, Dauphin County, PA
county in Pennsylvania, United States
Key facts
- Country
- United States
- State
- Pennsylvania
- Founded
- March 4, 1785
- Named after
- Louis Joseph, Dauphin of France
- Seat
- Harrisburg
- Largest township
- Lower Paxton Township
- Total
- 558 sq mi (1,450 km )
- Land
- 525 sq mi (1,360 km )
- Water
- 33 sq mi (85 km ) 5.9%
- Estimate 2025
- 293,351
- Density
- 546/sq mi (211/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
- UTC−4 ( EDT )
- Area code
- 717 and 223
- Congressional district
- 10th
- Website
- www .dauphincounty .gov
- Designated
- December 9, 1982
via Wikipedia infobox
Wikidata facts
- Named after
- Louis Joseph, Dauphin of France
- Country
- United States
- Located in
- Pennsylvania
- Capital
- Harrisburg
- Population
- 286401
- Area
- 1444
- Shares border with
- Juniata County
- Official website
- www.dauphincounty.gov
- Image
- Dauphin County Courthouse.jpg
- Households
- 113759
Show 9 more facts
- category of associated people
- Category:People from Dauphin County, Pennsylvania
- Commons category
- Dauphin County, Pennsylvania
- topic's main category
- Category:Dauphin County, Pennsylvania
- inception
- 1785-03-04
- category for people born here
- Category:Births in Dauphin County, Pennsylvania
- water as percent of area
- 5.9
- native label
- ドーフィン郡
- social media followers
- 6229
- per capita income
- 35061
Sources (10)
via Wikidata · CC0
~17 min read
Encyclopedic overview
Dauphin County (/ˈdɔːfɪn/) 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.
Geography
Excerpted from Wikipedia’s “Dauphin County” article, available under the CC BY-SA 4.0 licence.