Horizon · our Election Day forecast: polls, plus fundamentals like incumbency, fundraising and past results.

Pulse · polls only: where the races stand today, with no fundamentals and wider uncertainty.

What's the difference?

Arkansas › U.S. House of Representatives · November 3, 2026 · Updated Oct 16, 2026

Arkansas's 4th District

Westerman is very likely to win: Westerman wins in more than 99 of every 100 simulations.

Russell (D)
<1%
chance of winning
Westerman (R)
>99%
Average margin
R+31.9
80% of outcomes
R+41 to R+23
Partisan lean
R+39
Polls
No pollsmodel only

Westerman is very likely to win: Westerman wins in more than 99 of every 100 simulations.

Russell (D)
<1%
chance of winning
Westerman (R)
>99%
Average margin
R+30.8
80% of outcomes
R+43 to R+19
Partisan lean
R+39
Polls
No pollsmodel only

Range of outcomes

Final margin across our simulations; the white dashes mark the middle 80%.

R+31.9R+40R+20EvenD+20D+40
R+30.8R+60R+40R+20EvenD+20D+40D+60

How the odds have moved

Chance of winning by forecast date.

0%25%50%75%100%AugSepOctNovNov 3Russell <1%Westerman >99%

Updated nightly. Each day is the current model run on the polls that had ended by then (how).

0%25%50%75%100%AugSepOctNovNov 3Russell <1%Westerman >99%

Updated nightly. Each day is the current model run on the polls that had ended by then (how).

The candidates

Democratic

James Russell

Mental health advocate and candidate for governor in 2022 (previously ran for U.S. Senate)

Experience
No elected office
Raised
$5.9K
From individuals
$4.4K
Spent
$5.6K
Cash on hand
$907

Money: FEC, through Jun 30, 2026.

Profile and career

What goes into the forecast

Every ingredient's estimate of the final margin.

National environment
D+9.5Election Day forecast; federal races run in it
Swing reaching this office
78%Of a shift in the environment, from past House races since 2016
Upper South adjustment
+0.5How House races in the region have run against lean and environment lately
← RepublicanDemocratic →Lean + environmentUsual vote, shifted by 78% of the environment andthe Upper South adjustmentR+30.1Fundamentals modelAdds incumbency, past results, money andexperienceR+32.3Polls in similar placesPolling of similar races in Arkansas andlook-alike placesR+30.6Polling averageNo polls of this racenot availableHorizon forecastPolls + fundamentals, projected to Election DayR+31.9Pulse forecastPolls (and polling of similar places) only, todayR+30.8

Each estimate is a margin before national and statewide uncertainty is simulated. Horizon blends polls, fundamentals and a little of the similar-places estimate, weighting each by how precise it is; Pulse uses polls and similar places only.

Fundamentals inputs
Incumbency (+1 D, −1 R)-1
Fundraising edge (log ratio of individual money)-2.88
Elected-experience edge-1
First-term incumbent0
Seat's last result vs. expectation-4.53
Incumbent's last result vs. expectation-4.53

Polls

No public polls of this race. The forecast relies on fundamentals and on polling of similar places.

The district

Lean R+39: how much more Democratic or Republican than the nation it votes for president.

Presidential vote

← RepublicanDemocratic →2016 presidentR+31.9R+34.1 vs. nation2020 presidentR+32.9R+37.5 vs. nation2024 presidentR+40.7R+39.2 vs. nation

Precinct results re-aggregated to the current district lines.

Who lives here

Population
754,660
People per km²
13
Adults with a B.A.+
19%
White, no degree
57%of adults
  • White 67%
  • Hispanic 8%
  • Black 20%
  • Asian 1%
  • Other / multiracial 4%

American Community Survey 2020–2024, aggregated from census tracts.

Past results

Results in the same-numbered district; earlier elections may have used different lines.

2024

270,253 votes · R+45.8
✓ Bruce Westerman (R)72.9%
Risie Howard (D)27.1%

2024 President Vote in this district

274,844 two-party votes · R+40.7 · R+39.2 vs. the nation
✓ Donald Trump (R)70.3%
Kamala Harris (D)29.7%

2022

216,696 votes · R+46.1
✓ Bruce Westerman (R)71.0%
John White (D)26.2%
Gregory Maxwell (L)2.8%

2020 Earlier district lines

275,035 votes · R+43.3
✓ Bruce Westerman (R)69.7%
William H Hanson (D)27.5%
Frank Gilbert (L)2.8%

2020 President Vote in this district

312,369 two-party votes · R+32.9 · R+37.5 vs. the nation
✓ Donald Trump (R)66.5%
Joe Biden (D)33.5%

2018 Earlier district lines

204,892 votes · R+36.2
✓ Bruce Westerman (R)66.7%
Hayden Catherine Shamel (D)31.2%
Tom Canada (L)1.9%

2016 Earlier district lines

244,159 votes · Uncontested by the other party
✓ Bruce Westerman (R)74.9%
Kerry Hicks (L)25.1%

2016 President Vote in this district

277,099 two-party votes · R+31.9 · R+34.1 vs. the nation
✓ Donald Trump (R)65.9%
Hillary Clinton (D)34.1%