- Lead
- 2,142
- Total
- 33,918
- vs nation
- D+7.8
Utah 12th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 3,092
- Total
- 36,349
- vs nation
- D+4.1
- Lead
- 2,519
- Total
- 30,974
- vs nation
- D+6.0
- Lead
- 5,740
- Total
- 27,491
- vs nation
- R+24.7
- Lead
- 162
- Total
- 26,265
- vs nation
- R+7.9
- Lead
- 5,880
- Total
- 25,907
- vs nation
- R+20.2
- Lead
- 4,747
- Total
- 22,097
- vs nation
- R+22.0
- Lead
- 842
- Total
- 20,264
- vs nation
- R+12.7
Key facts
- 2024 presidential margin
- D+6.3MIT Election Lab
- Population
- 111,4872024 5-year
- Population density
- 6,968 / sq mi2024 5-year · TIGER/Line
- Land area
- 16 sq miTIGER/Line
- Median household income
- $83,7462024 5-year
- White (non-Hispanic)
- 49.8%2024 5-year
- Black
- 2.3%2024 5-year
- Hispanic / Latino
- 35.8%2024 5-year
- Peak Democratic margin
- D+83.1 in 1896MIT Election Lab
- Peak Republican margin
- R+44.2 in 1980MIT Election Lab
- Most similar
- State Senate District 10, UT · twin score 95.4
presidential history
Party record book
Utah 12th 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
91.6%
1,344 votes · D+83.1 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 72.4%
Republican
Ronald Reagan1984
69.7%
13,222 votes · R+40.3 · modeled estimate
Runner-up · Ronald Reagan, 1980 · 66.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
18,881votes
51.9% of the vote · D+8.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 17,373 votes
Republican
Mitt Romney2012
16,060votes
58.4% of the vote · R+20.9 · modeled estimate
Runner-up · Donald Trump, 2020 · 15,789 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
+89.2pts D vs U.S.
Place D+83.1 · U.S. R+6.1 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · +22.8 pts
Republican
Ronald Reagan1980
+34.4pts R vs U.S.
Place R+44.2 · U.S. R+9.7 · modeled estimate
Runner-up · Gerald Ford, 1976 · +27.2 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Utah 12th State Senate District sits in the Mountain West. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 83.1 points in 1896 and a Republican high of 44.2 points in 1980. Between 2020 and 2024 the district moved 2.2 points toward the Republican candidate; the 2024 margin was 6.3 points.
A population of 111,487, a 50% non-Hispanic-white share, and a median household income of $83,746 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 10 and State Senate District 15.
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 12th State Senate District. Akashic. https://akashic.app/sld-upper/49012/. Accessed May 20, 2026. License: CC BY 4.0.