Pennsylvania State House District 151

State Legislative District Profile (Lower Chamber)

Overview

District ID
pa-hd-151
State
Pennsylvania
Chamber
Lower chamber
District Code
151
Land Area
31.8 sq mi
Water Area
0 sq mi

Boundary

Boundary of Pennsylvania State House District 151

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Montgomery County31.80 sq mi100.0%6.6%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Horsham CDP5.47 sq mi17.2%100.0%
Maple Glen CDP3.12 sq mi9.8%100.0%
Montgomeryville CDP2.02 sq mi6.3%42.4%
Ambler borough0.85 sq mi2.7%100.0%

Showing all 4 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 139,33461.7%5.1%66.4%
PA District 424,40238.3%3.2%33.6%

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

Voters

Registered Voters
49,212
Active Voters
47,646 (96.8%)

Party Registration

PartyVotersShare
Democratic22,99646.7%
Republican17,57735.7%
Unaffiliated7,72115.7%
Other parties8811.8%
No party recorded370.1%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202624,807 (50.4%)0 (0.0%)0 (0.0%)
2023–202441,134 (83.6%)6,868 (14.0%)4,526 (9.2%)
2021–202231,790 (64.6%)0 (0.0%)0 (0.0%)
2019–202035,187 (71.5%)9,341 (19.0%)4,818 (9.8%)
2017–201825,621 (52.1%)0 (0.0%)0 (0.0%)
2015–201626,777 (54.4%)7,391 (15.0%)6,912 (14.0%)
2013–201415,959 (32.4%)0 (0.0%)0 (0.0%)
2011–201221,974 (44.7%)1,750 (3.6%)2,377 (4.8%)

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
62,933 (± 1,175)
Median Age
41.9
Median Household Income
$127,361 (± $5,705)
High School Graduate or Higher (age 25+)
95.2%
Bachelor's Degree or Higher (age 25+)
59.4%

Population by Age

GroupPeopleShare
Under 1813,42121.3%
18 to 6437,58459.7%
65 and over11,92819.0%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)3,7846.0%
White, not Hispanic46,81574.4%
Black, not Hispanic3,1134.9%
Asian, not Hispanic6,58410.5%
American Indian / Alaska Native, not Hispanic00.0%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic6691.1%
Two or more races, not Hispanic1,9683.1%

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
59,638
Citizen Voting Age Population (CVAP)
46,456

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic57,05795.7%
Hispanic2,5794.3%
White47,79180.1%
Black2,8934.9%
Asian5,2118.7%
American Indian / Alaska Native00.0%
Native Hawaiian / Pacific Islander20.0%
Two or More Races2810.5%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic45,08597.0%
Hispanic1,3702.9%
White38,13482.1%
Black2,3675.1%
Asian4,3169.3%
American Indian / Alaska Native1430.3%
Native Hawaiian / Pacific Islander00.0%
Two or More Races1250.3%

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