Overview
- District ID
- pa-hd-105
- State
- Pennsylvania
- Chamber
- Lower chamber
- District Code
- 105
- Land Area
- 27.2 sq mi
- Water Area
- 1.86 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
| County | Overlap | Share of district land | Share of county land |
|---|
| Dauphin County | 27.22 sq mi | 100.0% | 5.2% |
Showing all 1 county
Places
Showing all 5 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| PA District 10 | 62,669 | 100.0% | 8.2% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 44,857
- Active Voters
- 42,184 (94.0%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 22,318 | 49.8% |
| Republican | 14,192 | 31.6% |
| Unaffiliated | 7,183 | 16.0% |
| Other parties | <10 | — |
| No party recorded | <10 | — |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 19,844 (44.2%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 33,554 (74.8%) | 6,956 (15.5%) | 4,438 (9.9%) |
| 2021–2022 | 24,300 (54.2%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 28,428 (63.4%) | 8,398 (18.7%) | 4,655 (10.4%) |
| 2017–2018 | 20,559 (45.8%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 21,962 (49.0%) | 6,641 (14.8%) | 5,590 (12.5%) |
| 2013–2014 | 13,640 (30.4%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 18,265 (40.7%) | 3,160 (7.0%) | 3,343 (7.5%) |
Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.
Browse the voter list for this district (premium access; sign-in required)
Source: Civitech voter file snapshot as of 01/05/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 65,304 (± 1,410)
- Median Age
- 38.9
- Median Household Income
- $82,668 (± $4,008)
- High School Graduate or Higher (age 25+)
- 90.5%
- Bachelor's Degree or Higher (age 25+)
- 35.8%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 14,924 | 22.9% |
| 18 to 64 | 38,126 | 58.4% |
| 65 and over | 12,254 | 18.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 6,803 | 10.4% |
| White, not Hispanic | 33,134 | 50.7% |
| Black, not Hispanic | 14,002 | 21.4% |
| Asian, not Hispanic | 7,423 | 11.4% |
| American Indian / Alaska Native, not Hispanic | 28 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 737 | 1.1% |
| Two or more races, not Hispanic | 3,177 | 4.9% |
Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.
Citizen Voting Age Population
- Total Citizen Population
- 61,815
- Citizen Voting Age Population (CVAP)
- 47,359
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 55,369 | 89.6% |
| Hispanic | 6,441 | 10.4% |
| White | 33,897 | 54.8% |
| Black | 13,373 | 21.6% |
| Asian | 5,318 | 8.6% |
| American Indian / Alaska Native | 31 | 0.1% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 88 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 44,012 | 92.9% |
| Hispanic | 3,349 | 7.1% |
| White | 28,895 | 61.0% |
| Black | 11,008 | 23.2% |
| Asian | 3,924 | 8.3% |
| American Indian / Alaska Native | 250 | 0.5% |
| Native Hawaiian / Pacific Islander | 5 | 0.0% |
| Two or More Races | 92 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
