Scrutinel— 2026 midterms

UpdatedOct 10, 2026, 11:27 AM EDT
To election day24 days
Simulations200,000

Nevada 3rd District

Currently held by a Democrat · incumbent running

Democrat
Susie Lee
95%
Republican
Marty O'Donnell
5%
ForecastLikely D
Projected margin
D+14.7
80% range
D+3.2 to D+26.3
Partisan lean
D+1.5
Tipping-point chance
0.54%
Uncertainty multiplier
1.80×

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
Fundamentals >99.9%
Polling average
no polls
Fundamentals
D+14.9
Blended
D+14.9
Similar-race shift
−0.4
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+1.5
Elasticity
1.08
Incumbency
+3.4
Candidate experience
0.0
Fundraising
+3.2
National environment
D+7.1
Expected margin
D+15.3
How it voted for presidenttwo-party
2024 margin
R+0.8
2020 margin
D+6.8
Shift 2020 → 2024
R+7.5
Votes cast, 2024
385,136

Presidential results reaggregated onto the 2026 district lines. This is where the seat’s partisan lean comes from, and it carries most of the forecast in a race nobody has polled.

Who lives hereCensus ACS
Population
615,841
Median age
47.2
Median household income
$77,200
Bachelor’s degree or higher
33%
White
47%
Black
11%
Hispanic
19%
Asian
21%

Used to find demographically similar districts, so a race with no polling can borrow the polling error of races that look like it.

Campaign fundraisingFEC filings to Invalid Date
CandidatePartyRaisedCash on hand
Susie LeeDEM$4.4M$3.7M
Marty O'donnellREP$4.0M$2.4M

Receipts across the cycle, from FEC bulk filings. The model uses the ratio between the two sides rather than either total, and weights it lightly — money follows a competitive race at least as much as it causes one.

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