- Lead
- 5,800
- Total
- 10,594
- vs nation
- R+53.3
New Mexico 66th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 5,320
- Total
- 10,244
- vs nation
- R+56.4
- Lead
- 3,417
- Total
- 8,618
- vs nation
- R+41.7
- Lead
- 2,836
- Total
- 8,504
- vs nation
- R+37.2
- Lead
- 2,341
- Total
- 9,024
- vs nation
- R+33.2
- Lead
- 3,062
- Total
- 9,006
- vs nation
- R+31.5
- Lead
- 1,486
- Total
- 7,773
- vs nation
- R+19.6
- Lead
- 58
- Total
- 8,158
- vs nation
- R+7.8
Key facts
- 2024 presidential margin
- R+54.7MIT Election Lab
- Population
- 30,8322024 5-year
- Population density
- 6.5 / sq mi2024 5-year · TIGER/Line
- Land area
- 4,710 sq miTIGER/Line
- Median household income
- $64,7272024 5-year
- White (non-Hispanic)
- 38.1%2024 5-year
- Black
- 1.6%2024 5-year
- Hispanic / Latino
- 56.1%2024 5-year
- Peak Democratic margin
- D+65.6 in 1932MIT Election Lab
- Peak Republican margin
- R+54.7 in 2024MIT Election Lab
- Most similar
- State House District 55, NM · twin score 98.0
presidential history
Party record book
New Mexico 66th State House 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
82.1%
1,986 votes · D+64.8 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 82.0%
Republican
Donald Trump2024
76.7%
8,130 votes · R+54.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 75.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
4,987votes
62.3% of the vote · D+24.8 · modeled estimate
Runner-up · Jimmy Carter, 1976 · 3,950 votes
Republican
Donald Trump2024
8,130votes
76.7% of the vote · R+54.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 7,713 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
John W. Davis1924
+72.0pts D vs U.S.
Place D+46.8 · U.S. R+25.2 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · +58.6 pts
Republican
Donald Trump2020
+56.4pts R vs U.S.
Place R+51.9 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2024 · +53.3 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Anchored in rural eastern New Mexico near the Texas border, this district delivered a 54.7-point Republican presidential margin in 2024, reflecting the oil-patch economy and sparse population that define its political character.
Across the recorded series it reached a Democratic high of 65.6 points in 1932 and a Republican high of 54.7 points in 2024. Between 2020 and 2024 the district moved 2.8 points toward the Republican candidate; the 2024 margin was 54.7 points.
A population of 30,832, a 38% non-Hispanic-white share, and a median household income of $64,727 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 55 and State House District 61.
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 →
New Mexico 66th State House District. Akashic. https://akashic.app/sld-lower/35066/. Accessed May 20, 2026. License: CC BY 4.0.