New Jersey Voting Trends by County

This page provides a high-level overview of how New Jersey’s 21 counties have voted in recent statewide elections. The information reflects historical voting patterns, not permanent political identities. County trends can change based on turnout, candidates, and issues.

This resource focuses on recent presidential and gubernatorial elections to show long-term direction and competitiveness at the county level.

How to Read This Page

Counties are grouped into four broad trend categories based on recent election outcomes:

• Consistently Democratic – Voted Democratic in multiple recent statewide elections

• Leans Democratic – Generally Democratic but competitive in some races

• Swing / Competitive – Frequently changes between parties

• Leans Republican – Generally Republican but competitive in some races

• Consistently Republican – Voted Republican in multiple recent statewide elections

These categories describe patterns, not voter registration or individual beliefs.

County Voting Trends Overview

Consistently Democratic Counties

These counties have voted Democratic in recent presidential and gubernatorial elections.

• Bergen

• Camden

• Essex

• Hudson

• Mercer

• Middlesex

• Union

Leans Democratic

These counties usually vote Democratic but have shown closer margins or occasional competitiveness.

• Burlington

• Somerset

Swing / Competitive Counties

These counties have flipped parties or posted narrow margins in recent elections.

• Atlantic

• Cumberland

• Gloucester

• Morris

• Passaic

Leans Republican

These counties usually vote Republican but can be competitive depending on the race.

• Hunterdon

• Monmouth

• Salem

• Warren

Consistently Republican Counties

These counties have voted Republican across multiple recent statewide elections.

• Cape May

• Ocean

• Sussex

Important Notes

• County trends do not determine outcomes on their own. Statewide results depend on turnout and margins.

• Gubernatorial elections often differ from presidential elections due to:

  • Lower turnout

  • Ticket-splitting

  • Local and regional issues

• A “swing” county in one cycle may lean more clearly in another.

How This Information Is Commonly Used

• Understanding regional political dynamics

• Comparing local and statewide election outcomes

• Academic and student research

• Voter education

• Campaign and policy analysis

Related NJBallot Resources

• Past New Jersey Election Results

• Contact Your Elected Officials

• Voter Registration & Election Information