- Lead
- 16,613
- Total
- 54,781
- vs nation
- R+28.9
Utah 18th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 15,202
- Total
- 47,472
- vs nation
- R+36.5
- Lead
- 4,612
- Total
- 34,563
- vs nation
- R+30.2
- Lead
- 20,838
- Total
- 33,277
- vs nation
- R+66.5
- Lead
- 14,181
- Total
- 28,820
- vs nation
- R+56.5
- Lead
- 20,135
- Total
- 31,415
- vs nation
- R+61.6
- Lead
- 16,018
- Total
- 26,929
- vs nation
- R+60.0
- Lead
- 10,519
- Total
- 22,950
- vs nation
- R+54.4
Key facts
- 2024 presidential margin
- R+30.3MIT Election Lab
- Population
- 114,5792024 5-year
- Population density
- 1,785 / sq mi2024 5-year · TIGER/Line
- Land area
- 64.2 sq miTIGER/Line
- Median household income
- $121,7532024 5-year
- White (non-Hispanic)
- 80.4%2024 5-year
- Black
- 1.0%2024 5-year
- Hispanic / Latino
- 10.3%2024 5-year
- Peak Democratic margin
- D+30.0 in 1896MIT Election Lab
- Peak Republican margin
- R+74.8 in 1984MIT Election Lab
- Most similar
- State Senate District 22, UT · twin score 98.9
presidential history
Party record book
Utah 18th State Senate 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
65.0%
681 votes · D+30.0 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 46.2%
Republican
Ronald Reagan1984
86.7%
21,226 votes · R+74.8 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 84.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
18,055votes
33.0% of the vote · R+30.3 · modeled estimate
Runner-up · Joe Biden, 2020 · 15,063 votes
Republican
Donald Trump2024
34,668votes
63.3% of the vote · R+30.3 · modeled estimate
Runner-up · Donald Trump, 2020 · 30,265 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
+36.0pts D vs U.S.
Place D+30.0 · U.S. R+6.1 · modeled estimate
Runner-up · John W. Davis, 1924 · −23.7 pts
Republican
Mitt Romney2012
+66.5pts R vs U.S.
Place R+62.6 · U.S. D+3.9 · modeled estimate
Runner-up · Gerald Ford, 1976 · +65.6 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 | 49.7%22,460 | 50.3%22,732 | 45,192 |
Utah 18th State Senate District sits in the Mountain West. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 30.0 points in 1896 and a Republican high of 74.8 points in 1984. Between 2020 and 2024 the district moved 1.7 points toward the Democratic candidate; the 2024 margin was 30.3 points.
A population of 114,579, a 80% non-Hispanic-white share, and a median household income of $121,753 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 22 and State Senate District 6.
The state-senate 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 18th State Senate District. Akashic. https://akashic.app/sld-upper/49018/. Accessed May 20, 2026. License: CC BY 4.0.