Pennsylvania State Senate District 25

State Legislative District Profile (Upper Chamber)

Overview

District ID
pa-sd-025
State
Pennsylvania
Chamber
Upper chamber (state senate)
District Code
025
Land Area
5,405.8 sq mi
Water Area
28.7 sq mi

Boundary

Boundary of Pennsylvania State Senate District 25

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Potter County1081.25 sq mi20.0%100.0%
McKean County979.69 sq mi18.1%100.0%
Clinton County887.98 sq mi16.4%99.8%
Elk County826.90 sq mi15.3%100.0%
Centre County785.31 sq mi14.5%70.9%
Jefferson County448.49 sq mi8.3%68.7%
Cameron County396.23 sq mi7.3%100.0%

Showing all 7 counties

Places

PlaceOverlapShare of district landShare of place land
St. Marys city99.32 sq mi1.8%100.0%
Boalsburg CDP5.79 sq mi0.1%99.9%
Coudersport borough5.63 sq mi0.1%100.0%
State College borough4.56 sq mi0.1%99.5%
Ulysses borough4.05 sq mi0.1%100.0%
Austin borough4.04 sq mi0.1%100.0%
McElhattan CDP3.35 sq mi0.1%93.1%
Bradford city3.33 sq mi0.1%100.0%
Foster Brook CDP3.15 sq mi0.1%100.0%
Brookville borough3.15 sq mi0.1%100.0%
Snydertown borough3.06 sq mi0.1%89.0%
Johnsonburg borough2.88 sq mi0.1%100.0%
Zion CDP2.88 sq mi0.1%100.0%
Clarence CDP2.71 sq mi0.1%100.0%
Ridgway borough2.61 sq mi<0.1%100.0%
Lock Haven city2.50 sq mi<0.1%100.0%
Driftwood borough2.49 sq mi<0.1%100.0%
Mount Jewett borough2.41 sq mi<0.1%100.0%
Shinglehouse borough2.08 sq mi<0.1%100.0%
Weedville CDP1.95 sq mi<0.1%100.0%
Bellefonte borough1.85 sq mi<0.1%100.0%
Mingoville CDP1.83 sq mi<0.1%100.0%
Lewis Run borough1.83 sq mi<0.1%100.0%
Port Allegany borough1.77 sq mi<0.1%100.0%
Roulette CDP1.72 sq mi<0.1%100.0%

Showing top 25 of 99 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
PA District 15267,675100.0%35.0%100.0%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
169,621
Active Voters
156,083 (92.0%)

Party Registration

PartyVotersShare
Democratic50,80630.0%
Republican93,25455.0%
Unaffiliated21,64412.8%
Other parties3,8912.3%
No party recorded260.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202670,549 (41.6%)0 (0.0%)0 (0.0%)
2023–2024134,227 (79.1%)14,470 (8.5%)24,669 (14.5%)
2021–202298,261 (57.9%)0 (0.0%)0 (0.0%)
2019–2020111,741 (65.9%)19,137 (11.3%)30,761 (18.1%)
2017–201877,418 (45.6%)0 (0.0%)0 (0.0%)
2015–201685,293 (50.3%)18,448 (10.9%)29,005 (17.1%)
2013–201451,610 (30.4%)0 (0.0%)0 (0.0%)
2011–201265,589 (38.7%)7,249 (4.3%)13,395 (7.9%)

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
266,616 (± 550)
Median Age
39.3
Median Household Income
$65,012 (± $1,147)
High School Graduate or Higher (age 25+)
92.7%
Bachelor's Degree or Higher (age 25+)
27.5%

Population by Age

GroupPeopleShare
Under 1846,12817.3%
18 to 64168,86963.3%
65 and over51,61919.4%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)6,9002.6%
White, not Hispanic238,75589.6%
Black, not Hispanic5,3802.0%
Asian, not Hispanic5,8082.2%
American Indian / Alaska Native, not Hispanic3560.1%
Native Hawaiian / Pacific Islander, not Hispanic70.0%
Some other race, not Hispanic5350.2%
Two or more races, not Hispanic8,8753.3%

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
261,469
Citizen Voting Age Population (CVAP)
215,568

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic255,28797.6%
Hispanic6,1772.4%
White241,16092.2%
Black5,0801.9%
Asian3,2511.2%
American Indian / Alaska Native3560.1%
Native Hawaiian / Pacific Islander520.0%
Two or More Races5400.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic210,61097.7%
Hispanic4,9632.3%
White199,26492.4%
Black5,8732.7%
Asian3,4971.6%
American Indian / Alaska Native1,5870.7%
Native Hawaiian / Pacific Islander500.0%
Two or More Races4510.2%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).