Overview
- District ID
- pa-sd-037
- State
- Pennsylvania
- Chamber
- Upper chamber (state senate)
- District Code
- 037
- Land Area
- 250 sq mi
- Water Area
- 1.88 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 |
|---|
| Allegheny County | 249.98 sq mi | 100.0% | 34.2% |
Showing all 1 county
Places
Showing top 25 of 30 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 17 | 154,579 | 62.1% | 20.2% | 79.5% |
| PA District 12 | 94,196 | 37.9% | 12.3% | 20.5% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 183,138
- Active Voters
- 175,118 (95.6%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 77,310 | 42.2% |
| Republican | 76,429 | 41.7% |
| Unaffiliated | 25,420 | 13.9% |
| Other parties | 3,958 | 2.2% |
| No party recorded | 21 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 85,839 (46.9%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 153,427 (83.8%) | 26,864 (14.7%) | 19,428 (10.6%) |
| 2021–2022 | 119,488 (65.2%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 135,916 (74.2%) | 33,169 (18.1%) | 22,689 (12.4%) |
| 2017–2018 | 98,319 (53.7%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 106,700 (58.3%) | 28,203 (15.4%) | 27,346 (14.9%) |
| 2013–2014 | 59,100 (32.3%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 87,524 (47.8%) | 10,476 (5.7%) | 12,761 (7.0%) |
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
- 246,283 (± 698)
- Median Age
- 43.3
- Median Household Income
- $113,595 (± $2,759)
- High School Graduate or Higher (age 25+)
- 97.0%
- Bachelor's Degree or Higher (age 25+)
- 55.1%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 51,731 | 21.0% |
| 18 to 64 | 143,434 | 58.2% |
| 65 and over | 51,118 | 20.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 5,147 | 2.1% |
| White, not Hispanic | 210,265 | 85.4% |
| Black, not Hispanic | 6,162 | 2.5% |
| Asian, not Hispanic | 14,405 | 5.8% |
| American Indian / Alaska Native, not Hispanic | 95 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 14 | 0.0% |
| Some other race, not Hispanic | 1,024 | 0.4% |
| Two or more races, not Hispanic | 9,171 | 3.7% |
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
- 238,691
- Citizen Voting Age Population (CVAP)
- 188,328
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 234,165 | 98.1% |
| Hispanic | 4,529 | 1.9% |
| White | 211,807 | 88.7% |
| Black | 6,315 | 2.6% |
| Asian | 9,543 | 4.0% |
| American Indian / Alaska Native | 93 | 0.0% |
| Native Hawaiian / Pacific Islander | 11 | 0.0% |
| Two or More Races | 682 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 185,200 | 98.3% |
| Hispanic | 3,127 | 1.7% |
| White | 170,901 | 90.7% |
| Black | 6,418 | 3.4% |
| Asian | 7,175 | 3.8% |
| American Indian / Alaska Native | 506 | 0.3% |
| Native Hawaiian / Pacific Islander | 12 | 0.0% |
| Two or More Races | 265 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).