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?

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

Nevada's 3rd District

Lee is clearly favored to win: Lee wins in 19 of every 20 simulations.

Lee (D)
95%
chance of winning
O'Donnell (R)
5%
Average margin
D+13.1
80% of outcomes
D+3 to D+24
Partisan lean
D+1
Polls
No pollsmodel only

Lee is favored to win: Lee wins in 4 of every 5 simulations.

Lee (D)
80%
chance of winning
O'Donnell (R)
20%
Average margin
D+7.4
80% of outcomes
R+4 to D+19
Partisan lean
D+1
Polls
No pollsmodel only

Range of outcomes

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

D+13.1R+40R+20EvenD+20D+40
D+7.4R+30R+20R+10EvenD+10D+20D+30

How the odds have moved

Chance of winning by forecast date.

0%25%50%75%100%AugSepOctNovNov 3Lee 95%O'Donnell 5%

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

0%25%50%75%100%AugSepOctNovNov 3Lee 80%O'Donnell 20%

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

The candidates

DemocraticIncumbent

Susie Lee

Incumbent U.S. representative

Experience
Statewide office or Congress
Raised
$5.6M
From individuals
$3.5M
Spent
$4.8M
Cash on hand
$1.3M

Money: FEC, through Sep 30, 2026.

Profile and career · Wikipedia

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
Southwest adjustment
−1.2How House races in the region have run against lean and environment lately
← RepublicanDemocratic →Lean + environmentUsual vote, shifted by 78% of the environment andthe Southwest adjustmentD+7.9Fundamentals modelAdds incumbency, past results, money andexperienceD+13.0Polls in similar placesPolling of similar races in Nevada and look-alikeplacesD+13.2Polling averageNo polls of this racenot availableHorizon forecastPolls + fundamentals, projected to Election DayD+13.1Pulse forecastPolls (and polling of similar places) only, todayD+7.4

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)2.46
Elected-experience edge1
First-term incumbent0
Seat's last result vs. expectation4.18
Incumbent's last result vs. expectation4.18

Polls

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

The district

Lean D+1: how much more Democratic or Republican than the nation it votes for president.

Presidential vote

← RepublicanDemocratic →2016 presidentD+7.1D+4.9 vs. nation2020 presidentD+6.7D+2.2 vs. nation2024 presidentR+0.7D+0.8 vs. nation

Precinct results re-aggregated to the current district lines.

Who lives here

Population
802,090
People per km²
153
Adults with a B.A.+
34%
White, no degree
29%of adults
  • White 42%
  • Hispanic 22%
  • Black 10%
  • Asian 17%
  • Other / multiracial 9%

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

372,355 votes · D+2.7
✓ Susie Lee (D)51.4%
Drew Johnson (R)48.6%

2024 President Vote in this district

378,371 two-party votes · R+0.7 · D+0.8 vs. the nation
✓ Donald Trump (R)50.4%
Kamala Harris (D)49.6%

2022

252,135 votes · D+4.0
✓ Susie Lee (D)52.0%
April Becker (R)48.0%

2020 Earlier district lines

417,201 votes · D+3.2
✓ Susie Lee (D)48.8%
Dan "big Dan" Rodimer (R)45.8%
Steve Brown (L)3.0%
Ed S Bridges II (I)2.5%

2020 President Vote in this district

356,055 two-party votes · D+6.7 · D+2.2 vs. the nation
✓ Joe Biden (D)53.4%
Donald Trump (R)46.6%

2018 Earlier district lines

286,168 votes · D+9.6
✓ Susie Lee (D)51.9%
Danny Tarkanian (R)42.8%
Steve Brown (L)1.6%
David Goossen (—)1.3%
Harry L Vickers (I)1.2%

2016 Earlier district lines

310,907 votes · D+1.4
✓ Jacky Rosen (D)47.2%
Danny Tarkanian (R)46.0%
Warren Markowitz (I)3.7%
David Goossen (I)3.1%

2016 President Vote in this district

259,738 two-party votes · D+7.1 · D+4.9 vs. the nation
✓ Hillary Clinton (D)53.6%
Donald Trump (R)46.4%