Overview
- District ID
- pa-sd-040
- State
- Pennsylvania
- Chamber
- Upper chamber (state senate)
- District Code
- 040
- Land Area
- 1,056.9 sq mi
- Water Area
- 18.9 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 3 counties
Places
Showing top 25 of 36 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 | 244,613 | 95.1% | 32.0% | 93.3% |
| PA District 7 | 12,608 | 4.9% | 1.6% | 6.7% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 179,765
- Active Voters
- 169,749 (94.4%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 74,070 | 41.2% |
| Republican | 72,037 | 40.1% |
| Unaffiliated | 28,675 | 16.0% |
| Other parties | <10 | — |
| No party recorded | <10 | — |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 67,904 (37.8%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 134,630 (74.9%) | 18,176 (10.1%) | 15,851 (8.8%) |
| 2021–2022 | 93,914 (52.2%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 113,186 (63.0%) | 24,904 (13.9%) | 18,142 (10.1%) |
| 2017–2018 | 76,035 (42.3%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 83,386 (46.4%) | 22,923 (12.8%) | 19,191 (10.7%) |
| 2013–2014 | 45,207 (25.1%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 64,082 (35.6%) | 10,667 (5.9%) | 7,339 (4.1%) |
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
- 256,302 (± 780)
- Median Age
- 44.5
- Median Household Income
- $75,759 (± $2,376)
- High School Graduate or Higher (age 25+)
- 91.3%
- Bachelor's Degree or Higher (age 25+)
- 26.9%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 48,836 | 19.1% |
| 18 to 64 | 155,607 | 60.7% |
| 65 and over | 51,859 | 20.2% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 35,068 | 13.7% |
| White, not Hispanic | 178,843 | 69.8% |
| Black, not Hispanic | 23,796 | 9.3% |
| Asian, not Hispanic | 4,933 | 1.9% |
| American Indian / Alaska Native, not Hispanic | 294 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 46 | 0.0% |
| Some other race, not Hispanic | 2,777 | 1.1% |
| Two or more races, not Hispanic | 10,545 | 4.1% |
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
- 250,633
- Citizen Voting Age Population (CVAP)
- 202,135
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 217,723 | 86.9% |
| Hispanic | 32,911 | 13.1% |
| White | 182,653 | 72.9% |
| Black | 24,208 | 9.7% |
| Asian | 4,131 | 1.6% |
| American Indian / Alaska Native | 279 | 0.1% |
| Native Hawaiian / Pacific Islander | 131 | 0.1% |
| Two or More Races | 968 | 0.4% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 179,575 | 88.8% |
| Hispanic | 22,558 | 11.2% |
| White | 152,943 | 75.7% |
| Black | 20,972 | 10.4% |
| Asian | 3,922 | 1.9% |
| American Indian / Alaska Native | 1,528 | 0.8% |
| Native Hawaiian / Pacific Islander | 116 | 0.1% |
| Two or More Races | 502 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
