Overview
- District ID
- pa-hd-155
- State
- Pennsylvania
- Chamber
- Lower chamber
- District Code
- 155
- Land Area
- 62 sq mi
- Water Area
- 1.36 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 |
|---|
| Chester County | 61.97 sq mi | 100.0% | 8.3% |
Showing all 1 county
Places
Showing all 6 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 6 | 64,256 | 100.0% | 8.4% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 48,012
- Active Voters
- 46,306 (96.4%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 19,459 | 40.5% |
| Republican | 18,748 | 39.0% |
| Unaffiliated | 8,791 | 18.3% |
| Other parties | 966 | 2.0% |
| No party recorded | 48 | 0.1% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 25,583 (53.3%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 40,945 (85.3%) | 5,757 (12.0%) | 4,489 (9.3%) |
| 2021–2022 | 31,855 (66.3%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 35,271 (73.5%) | 7,907 (16.5%) | 5,106 (10.6%) |
| 2017–2018 | 25,759 (53.7%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 27,129 (56.5%) | 5,628 (11.7%) | 7,480 (15.6%) |
| 2013–2014 | 15,380 (32.0%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 22,067 (46.0%) | 1,180 (2.5%) | 3,019 (6.3%) |
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
- 66,297 (± 698)
- Median Age
- 41.5
- Median Household Income
- $139,407 (± $5,826)
- High School Graduate or Higher (age 25+)
- 97.1%
- Bachelor's Degree or Higher (age 25+)
- 61.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 15,675 | 23.6% |
| 18 to 64 | 39,674 | 59.8% |
| 65 and over | 10,948 | 16.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 3,513 | 5.3% |
| White, not Hispanic | 49,509 | 74.7% |
| Black, not Hispanic | 2,969 | 4.5% |
| Asian, not Hispanic | 7,852 | 11.8% |
| American Indian / Alaska Native, not Hispanic | 7 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 127 | 0.2% |
| Two or more races, not Hispanic | 2,320 | 3.5% |
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
- 62,476
- Citizen Voting Age Population (CVAP)
- 47,157
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 59,214 | 94.8% |
| Hispanic | 3,261 | 5.2% |
| White | 49,717 | 79.6% |
| Black | 2,963 | 4.7% |
| Asian | 4,929 | 7.9% |
| American Indian / Alaska Native | 8 | 0.0% |
| Native Hawaiian / Pacific Islander | 1 | 0.0% |
| Two or More Races | 128 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 44,673 | 94.7% |
| Hispanic | 2,485 | 5.3% |
| White | 38,511 | 81.7% |
| Black | 2,528 | 5.4% |
| Asian | 3,425 | 7.3% |
| American Indian / Alaska Native | 136 | 0.3% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 85 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).