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U.S. House · open seat · All Utah races

Utah District 4

Solid R
Compare
Jonny Larsen
Democratic
<1 in 100
50–50chance of winning, out of 100
Mike Kennedy
Republican
>99 in 100

Mike Kennedy wins in >99 of 100 simulations.

The polling average has Mike Kennedy +7.8 across 1 poll; partisan lean, the national environment and incumbency point to Mike Kennedy +26.9. Polls get 52% of the weight 15 days out.

Where the result could land

Every simulated outcome, grouped in 2-point steps. Projected margin Kennedy +17.0; 80 in 100 fall between Kennedy +21.9 and Kennedy +12.1.

Kennedy +30Kennedy +20Kennedy +10Larsen +10Larsen +20Larsen +30Tie

The candidates

Mike Kennedy
Republican · American politician (born 1969)

Michael Stephen Kennedy is an American politician, attorney, and physician serving as the U.S. representative from Utah’s 3rd congressional district since 2025. He previously served as a Republican member of the Utah Senate from 2021 to 2025 and as a member of the Utah House of Representatives from 2013 to 2019. Wikipedia

Raised
$1.2M
Cash on hand
$465K
Through 2026-09-30
Official website ↗
Jonny Larsen
Democratic
Raised
$84K
Cash on hand
$7K
Through 2026-09-30
No biography on file yet.
Steven Burt
Independent
Taylor Wright
Libertarian

Ballot list and short bios from Wikipedia (CC BY-SA); websites from Wikidata; fundraising from the FEC (cycle-to-date, latest report).

What if this race flips? Try it in the map builder →

Polls

The polling average stands at Kennedy +7.8 across 1 poll testing Jonny Larsen against Mike Kennedy.

Larsen +1.0 since Sep 17, 2026
Kennedy +20Kennedy +10EvenLarsen +10Larsen +20Sep 20Sep 27Oct 4Oct 11Oct 18

Line: weighted average after adjustments; band: 95% range of the average; dots: individual polls after adjustments.

PollsterDatesSampleResultAdjustedWeight
Lighthouse ResearchC+
for Utah Debate Commission
Sep 8–Sep 17513 LVKennedy +8.8Kennedy +7.80.38

Chance of winning over time

How this race’s odds have moved as polls and the national environment changed.

No change over the past 3 months
020406080100Aug 1Sep 1Oct 1

Out of 100. Today: Larsen 0, Kennedy 100.

What’s driving the forecast

The model blends each estimate by how much to trust it right now. Polls get 52% of the weight, 15 days out.

Polling average (after adjustments)Kennedy +7.8±7.8 sampling range; effective 1 polls
Partisan lean (Cook PVI, 2026 lines) R+17.0roughly 34 points of margin vs. the nation
National environment D+9.6generic ballot + presidential approval
Incumbencynoneopen seat or incumbent not on ballot
Fundamentals estimateKennedy +26.9±6 typical error
Expert ratings (average)—used only in the “+ Expert ratings” version
ForecastKennedy +17.0±4.0 standard deviation, including 2.3 for movement before Election Day

All three versions

  • Polls only: Jonny Larsen 8 in 100 (Likely R)
  • Polls + fundamentals: Jonny Larsen <1 in 100 (Solid R)
  • Polls + fundamentals + experts: Jonny Larsen <1 in 100 (Solid R)

Rules and notes

  • Incumbent retiring. Republican loss.

House races, closest first · this is #199 of 421