Overview
- District ID
- pa-sd-020
- State
- Pennsylvania
- Chamber
- Upper chamber (state senate)
- District Code
- 020
- Land Area
- 2,626.8 sq mi
- Water Area
- 63.7 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 5 counties
Places
Showing top 25 of 67 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 8 | 188,196 | 69.5% | 24.6% | 46.4% |
| PA District 9 | 82,667 | 30.5% | 10.8% | 53.6% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 193,731
- Active Voters
- 183,000 (94.5%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 61,986 | 32.0% |
| Republican | 100,484 | 51.9% |
| Unaffiliated | 25,678 | 13.3% |
| Other parties | 5,482 | 2.8% |
| No party recorded | 101 | 0.1% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 76,353 (39.4%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 149,138 (77.0%) | 18,583 (9.6%) | 28,492 (14.7%) |
| 2021–2022 | 109,961 (56.8%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 126,757 (65.4%) | 22,573 (11.7%) | 27,754 (14.3%) |
| 2017–2018 | 86,693 (44.7%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 96,676 (49.9%) | 22,216 (11.5%) | 31,515 (16.3%) |
| 2013–2014 | 55,350 (28.6%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 73,738 (38.1%) | 9,500 (4.9%) | 12,927 (6.7%) |
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
- 273,132 (± 744)
- Median Age
- 46.2
- Median Household Income
- $70,898 (± $1,518)
- High School Graduate or Higher (age 25+)
- 92.4%
- Bachelor's Degree or Higher (age 25+)
- 26.0%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 51,447 | 18.8% |
| 18 to 64 | 158,857 | 58.2% |
| 65 and over | 62,828 | 23.0% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 20,255 | 7.4% |
| White, not Hispanic | 231,263 | 84.7% |
| Black, not Hispanic | 10,006 | 3.7% |
| Asian, not Hispanic | 2,186 | 0.8% |
| American Indian / Alaska Native, not Hispanic | 59 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 48 | 0.0% |
| Some other race, not Hispanic | 831 | 0.3% |
| Two or more races, not Hispanic | 8,484 | 3.1% |
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
- 269,240
- Citizen Voting Age Population (CVAP)
- 218,221
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 250,875 | 93.2% |
| Hispanic | 18,366 | 6.8% |
| White | 233,857 | 86.9% |
| Black | 9,857 | 3.7% |
| Asian | 1,624 | 0.6% |
| American Indian / Alaska Native | 60 | 0.0% |
| Native Hawaiian / Pacific Islander | 45 | 0.0% |
| Two or More Races | 618 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 206,285 | 94.5% |
| Hispanic | 11,933 | 5.5% |
| White | 194,462 | 89.1% |
| Black | 8,283 | 3.8% |
| Asian | 1,793 | 0.8% |
| American Indian / Alaska Native | 1,515 | 0.7% |
| Native Hawaiian / Pacific Islander | 34 | 0.0% |
| Two or More Races | 435 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
