Dauphin County
- Population
- 289,593
- Area
- 0.52 sq mi (1.36 km²), 0.03 sq mi water
- Median age
- 39.4
- Households
- 121,358
- Persons per household
- 2.3
- Median household income
- $76,242
- Median house value
- $236,400
Demographics: 2020–2024 ACS
Demographics: 2020–2024 ACS