Illinois — U.S. Senate
Currently held by a Democrat · open seat
Democrat
Juliana Stratton
96%
Republican
Don Tracy
4%
ForecastLikely D
- Projected margin
- D+21.7
- 80% range
- D+6.6 to D+36.8
- Partisan lean
- D+13.0
- 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+22.3
- Blended
- D+22.3
- Similar-race shift
- −0.3
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+13.0
- Elasticity
- 1.04
- Incumbency
- 0.0
- Candidate experience
- 0.0
- Fundraising
- +3.8
- National environment
- D+5.4
- Expected margin
- D+22.6