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Joseph Arminio OppScore Rating: +3.85

Joseph Arminio is a Republican U.S. House representative for DE and holds an OppScore of +3.85. OppScore is a nonpartisan political rating system that scores politicians from -5.00 to +5.00 across the Five Points of Opportunity, using published voting records and public disclosures.

Joseph Arminio is a Wilmington, Delaware native and political scientist who won the 2026 Republican primary for the state's at-large U.S. House seat. He holds a Ph.D. from MIT, has taught at American University and Lincoln University, and authored seven books on policy and history. His campaign centers on the American Prosperity Plan to reduce debt and restore economic growth.

Joseph Arminio rating summary

• Party: Republican
• Office: U.S. House
• State: DE
• OppScore: +3.85 on a -5.00 to +5.00 scale
• Score basis: Partial record, documented on 23 of 44 scored questions

What is on this profile

• Five Points of Opportunity score breakdown
• Voting record and legislative history
• Campaign finance and donor disclosures
• Dirt Alerts and accountability reporting
• Score trend over time

Primary sources

• Ballotpedia profile

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