- Lead
- 5,941
- Total
- 26,892
- vs nation
- D+23.6
New Mexico 18th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 5,738
- Total
- 28,298
- vs nation
- D+15.8
- Lead
- 2,740
- Total
- 25,416
- vs nation
- D+8.7
- Lead
- 2,214
- Total
- 25,058
- vs nation
- D+5.0
- Lead
- 3,501
- Total
- 26,253
- vs nation
- D+6.1
- Lead
- 899
- Total
- 23,847
- vs nation
- R+1.3
- Lead
- 1,052
- Total
- 19,091
- vs nation
- R+6.0
- Lead
- 342
- Total
- 16,994
- vs nation
- R+10.5
Key facts
- 2024 presidential margin
- D+22.1MIT Election Lab
- Population
- 51,7642024 5-year
- Population density
- 5,507 / sq mi2024 5-year · TIGER/Line
- Land area
- 9.4 sq miTIGER/Line
- Median household income
- $70,5642024 5-year
- White (non-Hispanic)
- 52.5%2024 5-year
- Black
- 2.7%2024 5-year
- Hispanic / Latino
- 31.8%2024 5-year
- Peak Democratic margin
- D+25.7 in 1936MIT Election Lab
- Peak Republican margin
- R+37.0 in 1956MIT Election Lab
- Most similar
- State Senate District 20, NM · twin score 99.2
presidential history
Party record book
New Mexico 18th 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
Franklin D. Roosevelt1936
62.3%
1,325 votes · D+25.7 · modeled estimate
Runner-up · Kamala Harris, 2024 · 59.6%
Republican
Dwight D. Eisenhower1956
68.5%
4,300 votes · R+37.0 · modeled estimate
Runner-up · Richard Nixon, 1972 · 63.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
16,648votes
58.8% of the vote · D+20.3 · modeled estimate
Runner-up · Kamala Harris, 2024 · 16,039 votes
Republican
George W. Bush2004
12,180votes
51.1% of the vote · R+3.8 · modeled estimate
Runner-up · John McCain, 2008 · 11,152 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
Kamala Harris2024
+23.6pts D vs U.S.
Place D+22.1 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +15.8 pts
Republican
William H. Taft1912
+23.1pts R vs U.S.
Place R+3.5 · U.S. D+19.5 · a third-party candidate carried the Place · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · +21.6 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 | 61.0%14,088 | 39.0%9,008 | 23,096 |
New Mexico 18th State Senate District sits in the desert Southwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 25.7 points in 1936 and a Republican high of 37.0 points in 1956. Between 2020 and 2024 the district moved 1.8 points toward the Democratic candidate; the 2024 margin was 22.1 points.
A population of 51,764, a 53% non-Hispanic-white share, and a median household income of $70,564 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 20 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 →
New Mexico 18th State Senate District. Akashic. https://akashic.app/sld-upper/35018/. Accessed May 20, 2026. License: CC BY 4.0.