How many registered voters are in Montgomery County, Pennsylvania?

578,728 active registered voters are on file for Montgomery County, including 287,409 Democrat (49.7%) and 202,932 Republican (35.1%). Counts come from the state's public voter file.

How many Montgomery County voters actually vote?

333,988 (57.7%) are super or frequent voters — they participated in all or most recent even-year November general elections, per the public vote history.

Where does this data come from?

Each state's public voter file (Ohio, Florida, North Carolina, Pennsylvania), as of VoterVault's latest ingest. Counts are active registrations and may differ slightly from official Secretary of State reports.

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Voter Registration Statistics › Pennsylvania › Montgomery

Montgomery County, Pennsylvania — voter registration

Party breakdown, turnout reliability, and youth share — live from the public voter file.

578,728

active registered voters on file in Montgomery County (7.0% of Pennsylvania)

6,678

voters aged 18-24 (1.2%)

57.7%

vote reliably (super + frequent)

Registration by party

Democrat 287,409 · 49.7%

Republican 202,932 · 35.1%

Unaffiliated 608 · 0.1%

Independent 8 · 0.0%

Libertarian 1 · 0.0%

Other / minor parties 87,770 · 15.2%

Two-party split: 58.6% Democratic here vs 53.6% statewide — Montgomery County leans more Democratic than the Pennsylvania average by 5.0 points.

Who actually votes

Super voters 169,464 · 29.3%

Frequent voters 164,524 · 28.4%

Occasional voters 98,798 · 17.1%

Rare voters 145,942 · 25.2%

Tiers score each voter's participation in recent even-year November general elections from the public vote history — 333,988 voters here are the reliable electorate a campaign can actually count on.

Buy the Montgomery County voter file Young voters (18-24) All Pennsylvania counties

Lists cut by county and party at $0.03/record standard — likely-voter (turnout-scored), and 18-24 premium cuts available where shown.

FAQ

How many registered voters are in Montgomery County, Pennsylvania?: 578,728 active registered voters are on file for Montgomery County, including 287,409 Democrat (49.7%) and 202,932 Republican (35.1%). Counts come from the state's public voter file.
How many Montgomery County voters actually vote?: 333,988 (57.7%) are super or frequent voters — they participated in all or most recent even-year November general elections, per the public vote history.
Where does this data come from?: Each state's public voter file (Ohio, Florida, North Carolina, Pennsylvania), as of VoterVault's latest ingest. Counts are active registrations and may differ slightly from official Secretary of State reports.

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Counts are active registered voters from each state's public voter file as of VoterVault's latest ingest — they may differ slightly from official Secretary of State reports. Turnout tiers score participation in recent even-year November general elections from public vote history. Aggregate market data only — no personal information is shown on this page. Public-record data sold for lawful political/electoral use; VoterVault performs no outreach and is not affiliated with any election authority.