Scrutinel— 2026 midterms

UpdatedAug 24, 2026, 5:12 AM UTC
To election day72 days
Simulations200,000

Michigan 8th District

Currently held by a Democrat · incumbent running

Democrat
Kristen McDonald Rivet
86%
Republican
Thomas J. Smith
14%
ForecastLikely D
Projected margin
D+11.7
80% range
R+2.3 to D+25.6
Partisan lean
R+0.7
Tipping-point chance
0.72%
Uncertainty multiplier
1.80×

The 80% range comes from 200,000 simulations in which this race’s error is correlated with every other race through the national, state and demographic layers.

How the estimate is built
Fundamentals 100.0%
Polling average
no polls
Fundamentals
D+12.3
Blended
D+12.3
Similar-race shift
+1.0
Polling

No public polling of this matchup. The forecast rests on fundamentals plus the polling residuals of demographically and politically similar races — which is the normal case: most of the 435 House seats are never polled.

Fundamentals
Partisan lean
R+0.7
Elasticity
0.97
Incumbency
+3.4
Candidate experience
0.0
Fundraising
+3.2
National environment
D+5.3
Expected margin
D+11.3

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