Overview
- District ID
- pa-hd-157
- State
- Pennsylvania
- Chamber
- Lower chamber
- District Code
- 157
- Land Area
- 54.6 sq mi
- Water Area
- 0.69 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 | 54.61 sq mi | 100.0% | 7.3% |
Showing all 1 county
Places
Showing all 4 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 | 62,964 | 100.0% | 8.2% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 48,613
- Active Voters
- 46,847 (96.4%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 20,587 | 42.3% |
| Republican | 18,022 | 37.1% |
| Unaffiliated | 9,047 | 18.6% |
| Other parties | 922 | 1.9% |
| No party recorded | 35 | 0.1% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 26,592 (54.7%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 41,344 (85.0%) | 6,741 (13.9%) | 4,333 (8.9%) |
| 2021–2022 | 32,512 (66.9%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 34,447 (70.9%) | 8,842 (18.2%) | 4,560 (9.4%) |
| 2017–2018 | 25,796 (53.1%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 25,719 (52.9%) | 6,104 (12.6%) | 7,597 (15.6%) |
| 2013–2014 | 15,962 (32.8%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 20,704 (42.6%) | 1,374 (2.8%) | 2,926 (6.0%) |
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
- 63,219 (± 75)
- Median Age
- 44.5
- Median Household Income
- $180,178 (± $11,692)
- High School Graduate or Higher (age 25+)
- 97.5%
- Bachelor's Degree or Higher (age 25+)
- 75.0%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 14,350 | 22.7% |
| 18 to 64 | 36,881 | 58.3% |
| 65 and over | 11,988 | 19.0% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 2,505 | 4.0% |
| White, not Hispanic | 47,260 | 74.8% |
| Black, not Hispanic | 1,234 | 2.0% |
| Asian, not Hispanic | 9,538 | 15.1% |
| American Indian / Alaska Native, not Hispanic | 19 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 172 | 0.3% |
| Two or more races, not Hispanic | 2,491 | 3.9% |
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
- 57,401
- Citizen Voting Age Population (CVAP)
- 43,931
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 55,110 | 96.0% |
| Hispanic | 2,289 | 4.0% |
| White | 46,759 | 81.5% |
| Black | 1,158 | 2.0% |
| Asian | 5,648 | 9.8% |
| American Indian / Alaska Native | 15 | 0.0% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 115 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 42,424 | 96.6% |
| Hispanic | 1,504 | 3.4% |
| White | 37,375 | 85.1% |
| Black | 1,109 | 2.5% |
| Asian | 3,780 | 8.6% |
| American Indian / Alaska Native | 93 | 0.2% |
| Native Hawaiian / Pacific Islander | 1 | 0.0% |
| Two or More Races | 77 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).