- Lead
- 61,238
- Total
- 337,053
- vs nation
- R+16.7
Florida 31st State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 34,918
- Total
- 322,667
- vs nation
- R+15.3
- Lead
- 31,133
- Total
- 268,690
- vs nation
- R+13.7
- Lead
- 19,697
- Total
- 243,123
- vs nation
- R+12.0
- Lead
- 3,022
- Total
- 238,084
- vs nation
- R+8.5
- Lead
- 9,303
- Total
- 216,017
- vs nation
- R+1.8
- Lead
- 1,090
- Total
- 174,230
- vs nation
- D+0.1
- Lead
- 919
- Total
- 159,436
- vs nation
- R+9.1
Key facts
- 2024 presidential margin
- R+18.2MIT Election Lab
- Population
- 540,9002024 5-year
- Population density
- 441 / sq mi2024 5-year · TIGER/Line
- Land area
- 1,227 sq miTIGER/Line
- Median household income
- $94,5162024 5-year
- White (non-Hispanic)
- 65.1%2024 5-year
- Black
- 10.4%2024 5-year
- Hispanic / Latino
- 17.9%2024 5-year
- Peak Democratic margin
- D+52.2 in 1908MIT Election Lab
- Peak Republican margin
- R+58.7 in 1972MIT Election Lab
- Most similar
- State Senate District 33, FL · twin score 88.2
presidential history
Party record book
Florida 31st State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
2000–2024 · 7 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Al Gore2000
49.2%
85,722 votes · D+0.6 · modeled estimate
Runner-up · Barack Obama, 2008 · 48.9%
Republican
Donald Trump2024
58.8%
198,134 votes · R+18.2 · modeled estimate
Runner-up · Donald Trump, 2020 · 55.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
142,834votes
44.3% of the vote · R+10.8 · modeled estimate
Runner-up · Kamala Harris, 2024 · 136,896 votes
Republican
Donald Trump2024
198,134votes
58.8% of the vote · R+18.2 · modeled estimate
Runner-up · Donald Trump, 2020 · 177,752 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
Al Gore2000
+0.1pts D vs U.S.
Place D+0.6 · U.S. D+0.5 · modeled estimate
Runner-up · John Kerry, 2004 · −1.8 pts
Republican
Donald Trump2024
+16.7pts R vs U.S.
Place R+18.2 · U.S. R+1.5 · modeled estimate
Runner-up · Donald Trump, 2020 · +15.3 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.
Florida 31st State Senate District sits in the Gulf South and peninsula. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 52.2 points in 1908 and a Republican high of 58.7 points in 1972. Between 2020 and 2024 the district moved 7.3 points toward the Republican candidate; the 2024 margin was 18.2 points.
A population of 540,900, a 65% non-Hispanic-white share, and a median household income of $94,516 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 33 and State Senate District 21.
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 →
Florida 31st State Senate District. Akashic. https://akashic.app/sld-upper/12031/. Accessed May 20, 2026. License: CC BY 4.0.