Riding profile

IL-17

US House district — IL · Mixed · us il

The question

IL-17: a safe seat for the Democrats?

Current forecast

Democrat

Safe

Probability
100%
Mean margin (pts)
20.8
P(close race)
0%

Projected vote share

Projection by party

  • Democrat 60.4%

    Eric Sorensen incumbent

  • Republican 39.6%

    Dillan Vancil

Watch list

The tightest races

Smallest projected margin. Open one for the numbers.

  1. FL-22Democrat68 %1.1 pt margin
  2. AZ-2Republican57 %1.1 pt margin
  3. OH-10Democrat60 %1.1 pt margin

In context

How this riding stacks up

Democrat Republican
HereIL-17 60.4%39.6%
National averageUnited States 54.3% +6.1 44.9% −5.3

Nationwide averages computed across the 435 riding-level projections (unweighted mean).

Projection track

How the projection has moved

Editorial read

IL-17, a mixed riding in IL, elected a member with the Democrats in the previous cycle, with a 9-point margin. The Vote-Scope model projects the Democrats ahead at 60% vote share, against 40% for the Republicans, and the probability of a close race is negligible.

Sitting member

SORENSEN, ERIC

Sits with Democrat

Primary race

Primary results

Held Mar 17, 2026 · Official count — not yet certified

Democratic primary

Winner

ERIC SORENSEN 100.0%

47,743 votes

Republican primary

Winner

DILLAN S. VANCIL 58.4%

19,535 votes

Official source →

Who's running

The candidates

Declared and on-ballot candidates for the upcoming election.

  • Democrat Incumbent

    Sorensen, Eric

  • Republican Challenger

    Vancil, Dillan

Previous election · 2024

Won by
Democrat
Margin
8.8 pts
Margin shift vs current projection
+11.9 pts
Last model run
Cycle
us_house_2026