Overview
- District ID
- pa-hd-165
- State
- Pennsylvania
- Chamber
- Lower chamber
- District Code
- 165
- Land Area
- 21.1 sq mi
- Water Area
- 0.54 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 |
|---|
| Delaware County | 21.12 sq mi | 100.0% | 11.5% |
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 5 | 62,767 | 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
- 48,396
- Active Voters
- 46,264 (95.6%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 21,433 | 44.3% |
| Republican | 20,050 | 41.4% |
| Unaffiliated | 6,041 | 12.5% |
| Other parties | 820 | 1.7% |
| No party recorded | 52 | 0.1% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 26,641 (55.0%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 41,381 (85.5%) | 7,170 (14.8%) | 5,949 (12.3%) |
| 2021–2022 | 33,098 (68.4%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 36,163 (74.7%) | 8,963 (18.5%) | 6,886 (14.2%) |
| 2017–2018 | 28,296 (58.5%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 29,106 (60.1%) | 7,116 (14.7%) | 9,882 (20.4%) |
| 2013–2014 | 19,396 (40.1%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 24,066 (49.7%) | 1,789 (3.7%) | 4,347 (9.0%) |
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
- 62,637 (± 783)
- Median Age
- 42.1
- Median Household Income
- $126,918 (± $6,662)
- High School Graduate or Higher (age 25+)
- 97.1%
- Bachelor's Degree or Higher (age 25+)
- 57.7%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 13,248 | 21.2% |
| 18 to 64 | 36,760 | 58.7% |
| 65 and over | 12,629 | 20.2% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 2,172 | 3.5% |
| White, not Hispanic | 50,780 | 81.1% |
| Black, not Hispanic | 2,582 | 4.1% |
| Asian, not Hispanic | 4,626 | 7.4% |
| American Indian / Alaska Native, not Hispanic | 44 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 138 | 0.2% |
| Some other race, not Hispanic | 343 | 0.5% |
| Two or more races, not Hispanic | 1,952 | 3.1% |
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
- 61,098
- Citizen Voting Age Population (CVAP)
- 47,932
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 59,004 | 96.6% |
| Hispanic | 2,098 | 3.4% |
| White | 51,196 | 83.8% |
| Black | 2,501 | 4.1% |
| Asian | 3,668 | 6.0% |
| American Indian / Alaska Native | 43 | 0.1% |
| Native Hawaiian / Pacific Islander | 138 | 0.2% |
| Two or More Races | 202 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 46,661 | 97.3% |
| Hispanic | 1,268 | 2.6% |
| White | 40,951 | 85.4% |
| Black | 2,247 | 4.7% |
| Asian | 3,154 | 6.6% |
| American Indian / Alaska Native | 111 | 0.2% |
| Native Hawaiian / Pacific Islander | 137 | 0.3% |
| Two or More Races | 84 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
