- Lead
- 2,644
- Total
- 30,872
- vs nation
- D+10.0
New Mexico 21st State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 1,625
- Total
- 31,846
- vs nation
- D+0.6
- Lead
- 1,299
- Total
- 27,897
- vs nation
- R+6.7
- Lead
- 2,283
- Total
- 27,862
- vs nation
- R+12.0
- Lead
- 1,235
- Total
- 29,152
- vs nation
- R+11.5
- Lead
- 5,799
- Total
- 27,301
- vs nation
- R+18.8
- Lead
- 4,934
- Total
- 21,852
- vs nation
- R+23.1
- Lead
- 3,554
- Total
- 19,198
- vs nation
- R+27.0
Key facts
- 2024 presidential margin
- D+8.6MIT Election Lab
- Population
- 51,8012024 5-year
- Population density
- 3,178 / sq mi2024 5-year · TIGER/Line
- Land area
- 16.3 sq miTIGER/Line
- Median household income
- $124,2802024 5-year
- White (non-Hispanic)
- 57.6%2024 5-year
- Black
- 1.4%2024 5-year
- Hispanic / Latino
- 26.7%2024 5-year
- Peak Democratic margin
- D+9.8 in 1936MIT Election Lab
- Peak Republican margin
- R+51.3 in 1956MIT Election Lab
- Most similar
- State Senate District 11, KS · twin score 81.6
presidential history
Party record book
New Mexico 21st 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
54.5%
1,224 votes · D+9.8 · modeled estimate
Runner-up · Kamala Harris, 2024 · 53.0%
Republican
Dwight D. Eisenhower1956
75.7%
5,753 votes · R+51.3 · modeled estimate
Runner-up · Richard Nixon, 1972 · 71.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
16,365votes
53.0% of the vote · D+8.6 · modeled estimate
Runner-up · Joe Biden, 2020 · 16,363 votes
Republican
George W. Bush2004
16,387votes
60.0% of the vote · R+21.2 · modeled estimate
Runner-up · John McCain, 2008 · 14,973 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
+10.0pts D vs U.S.
Place D+8.6 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +0.6 pts
Republican
Charles E. Hughes1916
+43.8pts R vs U.S.
Place R+40.7 · U.S. D+3.1 · modeled estimate
Runner-up · Richard Nixon, 1968 · +37.2 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%14,098 | 39.0%9,015 | 23,113 |
| 2020 | D | 59.0%14,103 | 41.0%9,803 | 23,906 |
New Mexico 21st State Senate District sits in the desert Southwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 9.8 points in 1936 and a Republican high of 51.3 points in 1956. Between 2020 and 2024 the district moved 3.5 points toward the Democratic candidate; the 2024 margin was 8.6 points.
A population of 51,801, a 58% non-Hispanic-white share, and a median household income of $124,280 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 11 and State Senate District 13.
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 21st State Senate District. Akashic. https://akashic.app/sld-upper/35021/. Accessed May 20, 2026. License: CC BY 4.0.