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Dauphin County, Pennsylvania
What we have for Dauphin County today, and what is coming.
Basics
- County code (FIPS): 42043
- Land area: 525 square miles
- Population: 286,401
Federal money spent here
Fiscal year 2026: $5.7 billion in federal contracts, grants, loans and other awards for work done in Dauphin County.
Who represents Dauphin County
U.S. Senate (whole state): John Fetterman (Democrat), David McCormick (Republican).
U.S. House districts that include part of this county
| District | Member | Share of county land |
|---|---|---|
| Congressional District 10 | Scott Perry (Republican) | 100% |
State senate districts
| District | Member | Share of county land |
|---|---|---|
| State Senate District 15 | Patty Kim (Democratic) | 53% |
| State Senate District 34 | Greg Rothman (Republican) | 47% |
State house / assembly districts
| District | Member | Share of county land |
|---|---|---|
| State House District 125 | Joe Kerwin (Republican) | 64.7% |
| State House District 106 | Tom Mehaffie (Republican) | 24.9% |
| State House District 105 | Justin Fleming (Democratic) | 5.2% |
| State House District 104 | Dave Madsen (Democratic) | 4.1% |
| State House District 103 | Nate Davidson (Democratic) | 1.1% |
Matched by district number using the U.S. Census Bureau 2020 county–district relationship files (land area overlap; districts may have been redrawn since). Your exact district depends on your address: U.S. House · state legislators.
County government
Find the official county website and contacts in the USA.gov local government directory or the National Association of Counties explorer.
Sources: U.S. Census Bureau Gazetteer (county list, public domain); USAspending.gov (U.S. Treasury). Built 2026-11-03 15:28.