Illinois 8th District
Currently held by a Democrat · open seat
Democrat
Melissa Bean
94%
Republican
Jennifer Davis
6%
ForecastLikely D
- Projected margin
- D+18.5
- 80% range
- D+3.4 to D+33.6
- Partisan lean
- D+9.5
- Tipping-point chance
- 0.31%
- Uncertainty multiplier
- 2.01×
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
100.0%
Fundamentals 100.0%
- Polling average
- no polls
- Fundamentals
- D+19.0
- Blended
- D+19.0
- Similar-race shift
- −0.2
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
- D+9.5
- Elasticity
- 1.11
- Incumbency
- 0.0
- Candidate experience
- 0.0
- Fundraising
- +3.3
- National environment
- D+5.4
- Expected margin
- D+19.3