- Lead
- 16,931
- Total
- 26,171
- vs nation
- R+63.2
Mississippi 40th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 15,810
- Total
- 25,655
- vs nation
- R+66.1
- Lead
- 14,479
- Total
- 23,274
- vs nation
- R+64.3
- Lead
- 13,351
- Total
- 23,757
- vs nation
- R+60.1
- Lead
- 13,693
- Total
- 23,934
- vs nation
- R+64.5
- Lead
- 10,555
- Total
- 20,651
- vs nation
- R+48.7
- Lead
- 6,972
- Total
- 17,641
- vs nation
- R+40.0
- Lead
- 3,155
- Total
- 15,303
- vs nation
- R+29.1
Key facts
- 2024 presidential margin
- R+64.7MIT Election Lab
- Population
- 59,4172024 5-year
- Population density
- 64 / sq mi2024 5-year · TIGER/Line
- Land area
- 926 sq miTIGER/Line
- Median household income
- $57,3552024 5-year
- White (non-Hispanic)
- 77.7%2024 5-year
- Black
- 12.8%2024 5-year
- Hispanic / Latino
- 4.0%2024 5-year
- Peak Democratic margin
- D+97.1 in 1892MIT Election Lab
- Peak Republican margin
- R+76.5 in 1972MIT Election Lab
- Most similar
- State Senate District 32, LA · twin score 97.7
presidential history
Party record book
Mississippi 40th State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 · 34 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Grover Cleveland1892
97.8%
136 votes · D+97.1 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1940 · 95.9%
Republican
Richard Nixon1972
87.6%
7,866 votes · R+76.5 · modeled estimate
Runner-up · Barry Goldwater, 1964 · 84.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Jimmy Carter1980
5,647votes
43.2% of the vote · R+11.3 · modeled estimate
Runner-up · Jimmy Carter, 1976 · 5,583 votes
Republican
Donald Trump2024
21,421votes
81.9% of the vote · R+64.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 20,562 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
Alton B. Parker1904
+111.6pts D vs U.S.
Place D+92.0 · U.S. R+19.7 · modeled estimate
Runner-up · James M. Cox, 1920 · +108.4 pts
Republican
Barry Goldwater1964
+91.2pts R vs U.S.
Place R+68.6 · U.S. D+22.6 · modeled estimate
Runner-up · Donald Trump, 2020 · +66.1 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.
Mississippi 40th State Senate District sits in the Deep South. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 97.1 points in 1892 and a Republican high of 76.5 points in 1972. Between 2020 and 2024 the district moved 3.1 points toward the Republican candidate; the 2024 margin was 64.7 points.
A population of 59,417, a 78% non-Hispanic-white share, and a median household income of $57,355 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 32 and State Senate District 35.
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 →
Mississippi 40th State Senate District. Akashic. https://akashic.app/sld-upper/28040/. Accessed May 20, 2026. License: CC BY 4.0.