Primary Rules
How Pennsylvania's Primary Works
Pennsylvania uses a Closed Primary system
Closed Primary
Only voters registered with a political party can vote in that party's primary election. Independent and unaffiliated voters are excluded.
Registration counts: L2 Data · Updated October 17, 2026
Pennsylvania Voter Registration
& Party Affiliation Statistics
Total Registered
8,591,054
Largest Party
Democratic (42.65%)
Independent / NPP
14.97%
Primary Type
Closed Primary
At a Glance
Pennsylvania at a Glance
Key voter registration statistics · Updated 2026
Registered Voters
8,591,054
across 67 counties
Independent / NPP
1.3M
14.97% of registered
2024 Turnout
71.4%
of eligible voters
Registration
Voter Registration by Party
How many registered Democrats, Republicans, and Independents are in Pennsylvania?
Democratic42.7%
Republican40.8%
Independent15.0%
Other1.6%
| Party | Registered Voters | % of Total |
|---|---|---|
Democratic | 3,663,847 | 42.7% |
Republican | 3,505,059 | 40.8% |
Independent | 1,286,224 | 15.0% |
Other | 135,924 | 1.6% |
Turnout
Voter Turnout in Pennsylvania
How many eligible Pennsylvania residents actually vote?
Recent Elections
| Election | Turnout | Voted |
|---|---|---|
| 2024 General | 71.4% | 7,075,000 |
| 2022 General | 54.5% | 5,410,022 |
| 2020 General | 69.9% | 6,958,551 |
| 2024 Presidential Primary | 23.6% | 2,021,127 |
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