- Lead
- 952
- Total
- 27,322
- vs nation
- R+2.0
New Mexico 40th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 653
- Total
- 24,390
- vs nation
- R+7.1
- Lead
- 1,839
- Total
- 18,069
- vs nation
- R+12.3
- Lead
- 1,383
- Total
- 15,760
- vs nation
- R+12.6
- Lead
- 379
- Total
- 16,868
- vs nation
- R+9.5
- Lead
- 2,296
- Total
- 13,113
- vs nation
- R+15.1
- Lead
- 1,431
- Total
- 9,350
- vs nation
- R+15.8
- Lead
- 457
- Total
- 7,733
- vs nation
- R+14.4
Key facts
- 2024 presidential margin
- R+3.5MIT Election Lab
- Population
- 51,8272024 5-year
- Population density
- 178 / sq mi2024 5-year · TIGER/Line
- Land area
- 291 sq miTIGER/Line
- Median household income
- $94,5202024 5-year
- White (non-Hispanic)
- 44.6%2024 5-year
- Black
- 2.8%2024 5-year
- Hispanic / Latino
- 43.7%2024 5-year
- Peak Democratic margin
- D+37.6 in 1964MIT Election Lab
- Peak Republican margin
- R+37.1 in 1928MIT Election Lab
- Most similar
- State Senate District 12, NM · twin score 95.3
presidential history
Party record book
New Mexico 40th State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1912–2024 · 29 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Lyndon B. Johnson1964
68.7%
850 votes · D+37.6 · modeled estimate
Runner-up · John F. Kennedy, 1960 · 57.6%
Republican
Herbert Hoover1928
68.6%
604 votes · R+37.1 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 67.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
12,894votes
47.2% of the vote · R+3.5 · modeled estimate
Runner-up · Joe Biden, 2020 · 11,573 votes
Republican
Donald Trump2024
13,846votes
50.7% of the vote · R+3.5 · modeled estimate
Runner-up · Donald Trump, 2020 · 12,226 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
Lyndon B. Johnson1964
+15.1pts D vs U.S.
Place D+37.6 · U.S. D+22.6 · modeled estimate
Runner-up · John F. Kennedy, 1960 · +15.0 pts
Republican
Alf Landon1936
+32.6pts R vs U.S.
Place R+8.3 · U.S. D+24.3 · modeled estimate
Runner-up · William H. Taft, 1912 · +32.3 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
New Mexico 40th State Senate District sits in the desert Southwest. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 37.6 points in 1964 and a Republican high of 37.1 points in 1928. Between 2020 and 2024 the district moved 0.8 points toward the Republican candidate; the 2024 margin was 3.5 points.
A population of 51,827, a 45% non-Hispanic-white share, and a median household income of $94,520 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 12 and State Senate District 23.
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 →
New Mexico 40th State Senate District. Akashic. https://akashic.app/sld-upper/35040/. Accessed May 20, 2026. License: CC BY 4.0.