Joshua Kolasinski
Major-party general-election nominee.
Joshua Kolasinski vs. Jim Jordan on a newly enacted 2026 district map. Today's article: every forecast for this race →
Margin from the district's presidential lean on its 2026 lines, one fitted intercept and the national environment as a uniform swing; the win probability adds a decaying incumbency premium (Republican incumbent running). No district poll is blended in.
Major-party general-election nominee.
Incumbent representative for OH-4. Voting record, ideology and biography →
What each candidate's own campaign committees reported for the 2025–26 cycle; outside spending by PACs and parties is not included. Industries are classified from donors' reported employers. The House forecast's win probability reads the two nominees' shares of individual contributions shown here, a small term that never moves the predicted margin. Data: GovMoneyGraph, based on FEC records.
We have not yet ingested a district rating from these independent forecasters for OH-4; links go to their current national House ratings. Missing is shown as missing—not converted into a probability.
Every election in Ohio's 4th district we hold a result for. District numbers are reused across redistricting, so older rows may cover different ground than the seat does today.

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Republican Majority Leader Steve Scalise and Republican Ohio Rep. Jim Jordan launched their bids Wednesday to become their party’s next leader.
US House Speaker Mike Johnson is stepping aside from Republican Party leadership after the party's defeat in the midterm elections, declining to seek support for the minority leader's post in the new Congress. His decision sets up a contest between Steve Scal…
Candidate field source: 2026 House election roster ↗