- Lead
- 2,879
- Total
- 16,597
- vs nation
- D+18.8
Utah 40th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 3,318
- Total
- 18,050
- vs nation
- D+13.9
- Lead
- 1,276
- Total
- 13,940
- vs nation
- D+7.1
- Lead
- 2,487
- Total
- 12,615
- vs nation
- R+23.6
- Lead
- 31
- Total
- 12,084
- vs nation
- R+7.0
- Lead
- 2,595
- Total
- 11,919
- vs nation
- R+19.3
- Lead
- 2,058
- Total
- 10,117
- vs nation
- R+20.9
- Lead
- 310
- Total
- 9,250
- vs nation
- R+11.9
Key facts
- 2024 presidential margin
- D+17.3MIT Election Lab
- Population
- 44,7882024 5-year
- Population density
- 5,462 / sq mi2024 5-year · TIGER/Line
- Land area
- 8.2 sq miTIGER/Line
- Median household income
- $74,1142024 5-year
- White (non-Hispanic)
- 63.2%2024 5-year
- Black
- 2.4%2024 5-year
- Hispanic / Latino
- 23.4%2024 5-year
- Peak Democratic margin
- D+79.4 in 1896MIT Election Lab
- Peak Republican margin
- R+43.6 in 1980MIT Election Lab
- Most similar
- State House District 35, UT · twin score 98.3
presidential history
Party record book
Utah 40th 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
89.7%
611 votes · D+79.4 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 72.5%
Republican
Ronald Reagan1984
69.3%
6,005 votes · R+39.4 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · 67.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
10,273votes
56.9% of the vote · D+18.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 9,328 votes
Republican
Mitt Romney2012
7,316votes
58.0% of the vote · R+19.7 · modeled estimate
Runner-up · George W. Bush, 2004 · 7,087 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
+85.5pts D vs U.S.
Place D+79.4 · U.S. R+6.1 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · +21.8 pts
Republican
Ronald Reagan1980
+33.8pts R vs U.S.
Place R+43.6 · U.S. R+9.7 · modeled estimate
Runner-up · Gerald Ford, 1976 · +25.5 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 | D | 51.0%9,002 | 49.0%8,645 | 17,647 |
District 40's D+17.3 presidential margin in 2024 makes it an outlier in a heavily Republican state, reflecting the dense urban and university-adjacent precincts that concentrate Democratic voters in the Salt Lake area.
Across the recorded series it reached a Democratic high of 79.4 points in 1896 and a Republican high of 43.6 points in 1980. Between 2020 and 2024 the district moved 1.0 points toward the Republican candidate; the 2024 margin was 17.3 points.
A population of 44,788, a 63% non-Hispanic-white share, and a median household income of $74,114 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 35 and State House District 34.
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 40th State House District. Akashic. https://akashic.app/sld-lower/49040/. Accessed May 20, 2026. License: CC BY 4.0.