Overview
- District ID
- pa-sd-001
- State
- Pennsylvania
- Chamber
- Upper chamber (state senate)
- District Code
- 001
- Land Area
- 22.1 sq mi
- Water Area
- 4.51 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 |
|---|
| Philadelphia County | 22.09 sq mi | 100.0% | 16.4% |
Showing all 1 county
Places
| Place | Overlap | Share of district land | Share of place land |
|---|
| Philadelphia city | 22.09 sq mi | 100.0% | 16.4% |
Showing all 1 place
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 3 | 149,687 | 59.9% | 19.6% | 21.6% |
| PA District 2 | 81,188 | 32.5% | 10.6% | 20.0% |
| PA District 5 | 18,958 | 7.6% | 2.5% | 58.4% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 197,847
- Active Voters
- 170,121 (86.0%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 139,086 | 70.3% |
| Republican | 24,698 | 12.5% |
| Unaffiliated | 30,871 | 15.6% |
| Other parties | 3,165 | 1.6% |
| No party recorded | 27 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 86,327 (43.6%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 137,691 (69.6%) | 36,722 (18.6%) | 2,995 (1.5%) |
| 2021–2022 | 97,853 (49.5%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 110,152 (55.7%) | 45,431 (23.0%) | 3,451 (1.7%) |
| 2017–2018 | 76,019 (38.4%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 75,335 (38.1%) | 37,321 (18.9%) | 5,108 (2.6%) |
| 2013–2014 | 36,259 (18.3%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 51,416 (26.0%) | 11,300 (5.7%) | 1,527 (0.8%) |
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
- 236,056 (± 4,768)
- Median Age
- 34.9
- Median Household Income
- $99,463 (± $2,805)
- High School Graduate or Higher (age 25+)
- 93.4%
- Bachelor's Degree or Higher (age 25+)
- 66.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 32,592 | 13.8% |
| 18 to 64 | 170,189 | 72.1% |
| 65 and over | 33,275 | 14.1% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 25,414 | 10.8% |
| White, not Hispanic | 147,096 | 62.3% |
| Black, not Hispanic | 21,312 | 9.0% |
| Asian, not Hispanic | 29,181 | 12.4% |
| American Indian / Alaska Native, not Hispanic | 217 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 61 | 0.0% |
| Some other race, not Hispanic | 1,695 | 0.7% |
| Two or more races, not Hispanic | 11,080 | 4.7% |
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
- 218,687
- Citizen Voting Age Population (CVAP)
- 187,280
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 198,149 | 90.6% |
| Hispanic | 20,534 | 9.4% |
| White | 146,732 | 67.1% |
| Black | 21,053 | 9.6% |
| Asian | 21,867 | 10.0% |
| American Indian / Alaska Native | 218 | 0.1% |
| Native Hawaiian / Pacific Islander | 77 | 0.0% |
| Two or More Races | 1,237 | 0.6% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 173,159 | 92.5% |
| Hispanic | 14,121 | 7.5% |
| White | 131,093 | 70.0% |
| Black | 20,097 | 10.7% |
| Asian | 20,473 | 10.9% |
| American Indian / Alaska Native | 767 | 0.4% |
| Native Hawaiian / Pacific Islander | 70 | 0.0% |
| Two or More Races | 794 | 0.4% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
