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

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What's the difference?

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

Virginia's 5th District

McGuire is clearly favored to win: McGuire wins in 5 of every 6 simulations.

Perriello (D)
16%
chance of winning
McGuire (R)
84%
Average margin
R+5.6
80% of outcomes
R+13 to D+2
Partisan lean
R+12
Polls
3in our database

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

Perriello (D)
19%
chance of winning
McGuire (R)
81%
Average margin
R+5.6
80% of outcomes
R+14 to D+3
Partisan lean
R+12
Polls
3in our database

Range of outcomes

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

R+5.6R+20R+10EvenD+10D+20
R+5.6R+20R+10EvenD+10D+20

How the odds have moved

Chance of winning by forecast date.

0%25%50%75%100%AugSepOctNovNov 3Perriello 16%McGuire 84%

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

0%25%50%75%100%AugSepOctNovNov 3Perriello 19%McGuire 81%

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

The candidates

Democratic

Tom Perriello

Former special envoy for Sudan (2024–2025), former U.S. representative (2009–2011)

Experience
Statewide office or Congress
Raised
$2.1M
From individuals
$2M
Spent
$629.1K
Cash on hand
$1.5M

Money: FEC, through Jul 15, 2026.

Profile and career · Wikipedia

RepublicanIncumbent

John McGuire

Incumbent U.S. representative

Experience
Statewide office or Congress
Raised
$2.2M
From individuals
$1.4M
Spent
$1.8M
Cash on hand
$479K

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
Southeast adjustment
−1.9How House races in the region have run against lean and environment lately
← RepublicanDemocratic →Lean + environmentUsual vote, shifted by 78% of the environment andthe Southeast adjustmentR+5.4Fundamentals modelAdds incumbency, past results, money andexperienceR+4.6Polls in similar placesPolling of similar races in Virginia andlook-alike placesR+4.2Polling average3 polls, latest Sep 28R+6.7Horizon forecastPolls + fundamentals, projected to Election DayR+5.6Pulse forecastPolls (and polling of similar places) only, todayR+5.6

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)0.45
Elected-experience edge0
First-term incumbent-1
Seat's last result vs. expectation-1.01
Incumbent's last result vs. expectation-1.01

Polls

R+5EvenD+5Avg. R+6.7Aug 1Nov 3
All 3 polls
PollsterDatesSamplePerrielloMcGuireMarginAdjusted
The Washington Post/SSPGSep 23–Sep 28600 LV4551R+6R+7.4
Expedition Strategies for Perriello's campaignD-sponsoredSep 21–Sep 24400 LV4546R+1R+5.4
Expedition Strategies for Perriello's campaignD-sponsoredJul 29–Aug 1602 LV4447R+3R+6.6

Adjusted: after correcting for the pollster's house effect, registered vs. likely voters, and movement in the national environment since the poll; shown for the polls carrying the most weight in today's average. Larger dots in the chart carry the most weight. Last poll: Sep 28, 2026.

The district

Lean R+12: how much more Democratic or Republican than the nation it votes for president.

Presidential vote

← RepublicanDemocratic →2016 presidentR+11.9R+14.1 vs. nation2020 presidentR+8.7R+13.2 vs. nation2024 presidentR+12.4R+10.9 vs. nation

Precinct results re-aggregated to the current district lines.

Who lives here

Population
794,774
People per km²
32
Adults with a B.A.+
34%
White, no degree
44%of adults
  • White 69%
  • Hispanic 5%
  • Black 20%
  • Asian 2%
  • Other / multiracial 5%

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

435,839 votes · R+15.1
✓ John J. McGuire III (R)57.3%
Gloria Tinsley Witt (D)42.3%

2024 President Vote in this district

437,628 two-party votes · R+12.4 · R+10.9 vs. the nation
✓ Donald Trump (R)56.2%
Kamala Harris (D)43.8%

2022

307,775 votes · R+15.4
✓ Bob Good (R)57.6%
Joshua M Throneburg (D)42.2%

2020 Earlier district lines

402,355 votes · R+5.2
✓ Robert G "bob" Good (R)52.4%
B Cameron Webb (D)47.3%

2020 President Vote in this district

434,056 two-party votes · R+8.7 · R+13.2 vs. the nation
✓ Donald Trump (R)54.3%
Joe Biden (D)45.7%

2018 Earlier district lines

310,929 votes · R+6.5
✓ Denver L Riggleman III (R)53.2%
Leslie C Cockburn (D)46.6%

2016 Earlier district lines

356,765 votes · R+16.7
✓ Tom A Garrett Jr (R)58.2%
Jane D Dittmar (D)41.6%

2016 President Vote in this district

371,783 two-party votes · R+11.9 · R+14.1 vs. the nation
✓ Donald Trump (R)56.0%
Hillary Clinton (D)44.0%