- Lead
- 7,856
- Total
- 21,845
- vs nation
- R+34.5
Utah 15th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 8,012
- Total
- 20,156
- vs nation
- R+44.2
- Lead
- 1,642
- Total
- 14,872
- vs nation
- R+33.6
- Lead
- 9,227
- Total
- 13,057
- vs nation
- R+74.5
- Lead
- 6,276
- Total
- 11,645
- vs nation
- R+61.2
- Lead
- 8,078
- Total
- 11,756
- vs nation
- R+66.3
- Lead
- 5,760
- Total
- 9,390
- vs nation
- R+61.9
- Lead
- 3,272
- Total
- 7,427
- vs nation
- R+52.6
Key facts
- 2024 presidential margin
- R+36.0MIT Election Lab
- Population
- 43,5772024 5-year
- Population density
- 461 / sq mi2024 5-year · TIGER/Line
- Land area
- 94.5 sq miTIGER/Line
- Median household income
- $133,5892024 5-year
- White (non-Hispanic)
- 82.7%2024 5-year
- Black
- 1.0%2024 5-year
- Hispanic / Latino
- 10.3%2024 5-year
- Peak Democratic margin
- D+39.2 in 1896MIT Election Lab
- Peak Republican margin
- R+70.7 in 2012MIT Election Lab
- Most similar
- State House District 14, UT · twin score 99.5
presidential history
Party record book
Utah 15th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1896–2024 · 33 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
William J. Bryan1896
69.6%
135 votes · D+39.2 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 59.3%
Republican
Ronald Reagan1984
84.7%
5,668 votes · R+70.4 · modeled estimate
Runner-up · Mitt Romney, 2012 · 84.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
6,461votes
29.6% of the vote · R+36.0 · modeled estimate
Runner-up · Joe Biden, 2020 · 5,606 votes
Republican
Donald Trump2024
14,317votes
65.5% of the vote · R+36.0 · modeled estimate
Runner-up · Donald Trump, 2020 · 13,618 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
William J. Bryan1896
+45.3pts D vs U.S.
Place D+39.2 · U.S. R+6.1 · modeled estimate
Runner-up · William J. Bryan, 1900 · −4.1 pts
Republican
Mitt Romney2012
+74.5pts R vs U.S.
Place R+70.7 · U.S. D+3.9 · modeled estimate
Runner-up · George W. Bush, 2004 · +66.3 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | R | 29.9%5,381 | 70.1%12,595 | 17,976 |
Utah 15th State House District sits in the Mountain West. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 39.2 points in 1896 and a Republican high of 70.7 points in 2012. Between 2020 and 2024 the district moved 3.8 points toward the Democratic candidate; the 2024 margin was 36.0 points.
A population of 43,577, a 83% non-Hispanic-white share, and a median household income of $133,589 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 14 and State House District 53.
The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Utah 15th State House District. Akashic. https://akashic.app/sld-lower/49015/. Accessed May 20, 2026. License: CC BY 4.0.