Overview
- District ID
- pa-hd-031
- State
- Pennsylvania
- Chamber
- Lower chamber
- District Code
- 031
- Land Area
- 52.5 sq mi
- Water Area
- 1.13 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 |
|---|
| Bucks County | 52.51 sq mi | 100.0% | 8.7% |
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 1 | 66,805 | 100.0% | 8.7% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 55,745
- Active Voters
- 53,534 (96.0%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 23,147 | 41.5% |
| Republican | 21,081 | 37.8% |
| Unaffiliated | 10,373 | 18.6% |
| Other parties | <10 | — |
| No party recorded | <10 | — |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 31,014 (55.6%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 47,260 (84.8%) | 8,193 (14.7%) | 6,913 (12.4%) |
| 2021–2022 | 38,453 (69.0%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 41,942 (75.2%) | 10,208 (18.3%) | 6,575 (11.8%) |
| 2017–2018 | 31,661 (56.8%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 32,822 (58.9%) | 7,867 (14.1%) | 8,657 (15.5%) |
| 2013–2014 | 19,847 (35.6%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 26,838 (48.1%) | 2,277 (4.1%) | 3,839 (6.9%) |
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
- 67,001 (± 282)
- Median Age
- 46.8
- Median Household Income
- $166,037 (± $8,011)
- High School Graduate or Higher (age 25+)
- 97.3%
- Bachelor's Degree or Higher (age 25+)
- 68.0%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 14,176 | 21.2% |
| 18 to 64 | 37,552 | 56.0% |
| 65 and over | 15,273 | 22.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 3,320 | 5.0% |
| White, not Hispanic | 55,019 | 82.1% |
| Black, not Hispanic | 625 | 0.9% |
| Asian, not Hispanic | 4,912 | 7.3% |
| American Indian / Alaska Native, not Hispanic | 28 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 215 | 0.3% |
| Two or more races, not Hispanic | 2,882 | 4.3% |
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
- 64,415
- Citizen Voting Age Population (CVAP)
- 50,614
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 61,387 | 95.3% |
| Hispanic | 3,024 | 4.7% |
| White | 54,600 | 84.8% |
| Black | 663 | 1.0% |
| Asian | 3,981 | 6.2% |
| American Indian / Alaska Native | 40 | 0.1% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 76 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 48,593 | 96.0% |
| Hispanic | 2,018 | 4.0% |
| White | 43,717 | 86.4% |
| Black | 730 | 1.4% |
| Asian | 3,972 | 7.8% |
| American Indian / Alaska Native | 126 | 0.2% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 64 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
