Races · house · 2020 · Wisconsin

house · open seat

Roger Polack vs Bryan Steil

← Wisconsin house West Virginia house →

Safe RR +23.7 forecast· 0 polls · 0 markets

Model's final pre-election call · win probabilitypoliagg-v34 · final pre-election call
1% Polack (D)
99% Steil (R)
Win probability
Roger Polack1% (D)
Bryan Steil99% (R)
Modelpoliagg-v34 · final pre-election call
Chance of winning across many simulations of the race — not projected vote share.
R+15R+5TIEDD+5D+15
Predicted margin
Point estimateR +23.7
80% CIR+35.7 → R+11.7
The model’s central margin (D-positive) with its 80% interval — the shaded band on the scale.
Model's predicted final margin R +23.7 · 80% CI R+35.7 → R+11.7
Actual result R+28.4 · backtest (race already called)

Momentum

—

insufficient data

Tipping-point P

0.0%

Decisive for chamber control

Market · D-side

—

Cross-platform consensus

News articles · 30d

—

no recent coverage

Where this race stands

Verified

Likely R · model 99% R

No recent polls or markets for this race. PVI baseline (R+8) suggests Likely R.

The poliagg-v34 ensemble forecasts R+23.7 with an 80% CI ranging from R+35.7 (10th pctile) to R+11.7 (90th pctile), giving R a 99% chance of winning.

CITATIONS · likely-r

Forecast · poliagg-v34

Predicted final margin

R +23.7

80% CI: R +35.7 → R +11.7 · win prob 1%

R+45R+23TIEDD+23D+45

Quality · inputs

Data quality · medium

Polls used	0
Days to election	passed
Actual result	R+28.4
Residual σ	6.00pt
Generated	7/1/2026

Endorsements · 0 total

Source · Wikipedia · 2 candidates with no endorsements yet

DRoger Polack0 endorsers

no endorsers yet

No endorsements found yet. Endorsements come from the candidate's Wikipedia article (when one exists) and update with the daily scrape.

RBryan Steil0 endorsers

no endorsers yet

No endorsements found yet. Endorsements come from the candidate's Wikipedia article (when one exists) and update with the daily scrape.

Money raised · own committees

FEC Schedule E (independent expenditures) + candidate-committee totals · last filing 2020-10-21

Outside spending · independent expenditures

FEC Schedule E (independent expenditures) + candidate-committee totals · 24/48-hr IE reports

IE total

$329.2K

D side

$2.0K · 1%

R side

$327.2K · 99%

Top spender

US VETERANS ASSISTA…

For / against split

For Stuck $1.3K

Against Gallagher $750

For Gallagher $327.2K

Spender	Side	Amount	Share	Target
US VETERANS ASSISTANCE FOUNDATION	R	$250.0K	76%	for Mike Gallagher
WITH HONOR FUND, INC.	R	$77.2K	23%	for Mike Gallagher
INDIVISIBLE ACTION	D	$1.2K	0%	for Amanda Stuck
TOGETHER WE THRIVE	D	$750	0%	against Mike Gallagher
SIERRA CLUB INDEPENDENT ACTION	D	$10	0%	for Amanda Stuck

Editorial ratings · 3 raters

Cook · Sabato · Inside Elections · 538 · DDHQ et al.

Safe R3

The Cook Political Report

Safe R

Jul 1

Inside Elections

Safe R

Jun 1

Sabato's Crystal Ball

Safe R

Jul 1

Demographic crosstabs

age · education · race · gender

No demographic crosstabs published for this race yet. Most pollsters release only topline numbers; subgroup breakdowns (age, education, race, gender) appear here when a pollster publishes them.

Rating timeline

May 11, 2026Safe Rmodel

Verification trail

Polls verified0 / 0deterministic

Polls flagged—none

Markets ingested0 platformsnone listed

FEC filingssyncedcommittee + IE · 2020-10-21

Endorsements—nothing to sync

News coverage< 5 articlesGoogle News

Method · bounds + percentage totals + date-order checks