- Lead
- 4,774
- Total
- 54,042
- vs nation
- D+10.3
Nevada 21st State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 10,393
- Total
- 52,555
- vs nation
- D+15.3
- Lead
- 11,712
- Total
- 43,310
- vs nation
- D+25.0
- Lead
- 12,297
- Total
- 39,289
- vs nation
- D+27.4
- Lead
- 13,206
- Total
- 37,247
- vs nation
- D+28.2
- Lead
- 6,791
- Total
- 30,398
- vs nation
- D+24.8
- Lead
- 4,987
- Total
- 21,396
- vs nation
- D+22.8
- Lead
- 3,632
- Total
- 14,862
- vs nation
- D+15.9
Key facts
- 2024 presidential margin
- D+8.8MIT Election Lab
- Population
- 148,4192024 5-year
- Population density
- 2,129 / sq mi2024 5-year · TIGER/Line
- Land area
- 69.7 sq miTIGER/Line
- Median household income
- $66,2762024 5-year
- White (non-Hispanic)
- 24.6%2024 5-year
- Black
- 10.8%2024 5-year
- Hispanic / Latino
- 52.5%2024 5-year
- Peak Democratic margin
- D+77.4 in 1936MIT Election Lab
- Peak Republican margin
- R+14.2 in 1980MIT Election Lab
- Most similar
- State Senate District 7, NV · twin score 97.8
presidential history
Party record book
Nevada 21st State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1972–2024 · 14 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Barack Obama2008
66.8%
24,871 votes · D+35.5 · modeled estimate
Runner-up · Barack Obama, 2012 · 64.8%
Republican
Ronald Reagan1984
53.8%
4,261 votes · R+9.3 · modeled estimate
Runner-up · Ronald Reagan, 1980 · 51.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
30,927votes
58.8% of the vote · D+19.8 · modeled estimate
Runner-up · Kamala Harris, 2024 · 28,936 votes
Republican
Donald Trump2024
24,162votes
44.7% of the vote · D+8.8 · modeled estimate
Runner-up · Donald Trump, 2020 · 20,534 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
Barack Obama2008
+28.2pts D vs U.S.
Place D+35.5 · U.S. D+7.3 · modeled estimate
Runner-up · Barack Obama, 2012 · +27.4 pts
Republican
Ronald Reagan1980
+4.5pts R vs U.S.
Place R+14.2 · U.S. R+9.7 · modeled estimate
Runner-up · Ronald Reagan, 1984 · −8.9 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Nevada 21st State Senate District sits in the desert Southwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 77.4 points in 1936 and a Republican high of 14.2 points in 1980. Between 2020 and 2024 the district moved 10.9 points toward the Republican candidate; the 2024 margin was 8.8 points.
A population of 148,419, a 25% non-Hispanic-white share, and a median household income of $66,276 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 7 and State Senate District 2.
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 →
Nevada 21st State Senate District. Akashic. https://akashic.app/sld-upper/32021/. Accessed May 20, 2026. License: CC BY 4.0.