Overview
- District ID
- pa-hd-100
- State
- Pennsylvania
- Chamber
- Lower chamber
- District Code
- 100
- Land Area
- 295.9 sq mi
- Water Area
- 13.8 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 |
|---|
| Lancaster County | 295.94 sq mi | 100.0% | 31.4% |
Showing all 1 county
Places
Showing all 10 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 11 | 64,124 | 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
- 34,385
- Active Voters
- 33,004 (96.0%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 5,776 | 16.8% |
| Republican | 23,527 | 68.4% |
| Unaffiliated | 4,287 | 12.5% |
| Other parties | <10 | — |
| No party recorded | <10 | — |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 12,243 (35.6%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 27,471 (79.9%) | 1,677 (4.9%) | 9,107 (26.5%) |
| 2021–2022 | 20,344 (59.2%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 23,643 (68.8%) | 2,013 (5.9%) | 5,786 (16.8%) |
| 2017–2018 | 15,569 (45.3%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 17,622 (51.2%) | 1,865 (5.4%) | 7,268 (21.1%) |
| 2013–2014 | 8,980 (26.1%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 14,204 (41.3%) | 399 (1.2%) | 2,962 (8.6%) |
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
- 64,294 (± 782)
- Median Age
- 35.7
- Median Household Income
- $85,923 (± $2,582)
- High School Graduate or Higher (age 25+)
- 76.3%
- Bachelor's Degree or Higher (age 25+)
- 18.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 19,437 | 30.2% |
| 18 to 64 | 33,670 | 52.4% |
| 65 and over | 11,187 | 17.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 2,594 | 4.0% |
| White, not Hispanic | 58,625 | 91.2% |
| Black, not Hispanic | 709 | 1.1% |
| Asian, not Hispanic | 377 | 0.6% |
| American Indian / Alaska Native, not Hispanic | 0 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 11 | 0.0% |
| Some other race, not Hispanic | 444 | 0.7% |
| Two or more races, not Hispanic | 1,534 | 2.4% |
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
- 63,794
- Citizen Voting Age Population (CVAP)
- 44,438
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 61,377 | 96.2% |
| Hispanic | 2,414 | 3.8% |
| White | 59,376 | 93.1% |
| Black | 710 | 1.1% |
| Asian | 274 | 0.4% |
| American Indian / Alaska Native | 0 | 0.0% |
| Native Hawaiian / Pacific Islander | 12 | 0.0% |
| Two or More Races | 360 | 0.6% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 43,103 | 97.0% |
| Hispanic | 1,331 | 3.0% |
| White | 41,904 | 94.3% |
| Black | 784 | 1.8% |
| Asian | 178 | 0.4% |
| American Indian / Alaska Native | 97 | 0.2% |
| Native Hawaiian / Pacific Islander | 10 | 0.0% |
| Two or More Races | 128 | 0.3% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
