- Lead
- 618
- Total
- 38,293
- vs nation
- D+3.1
Nevada 21st State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 2,529
- Total
- 38,857
- vs nation
- D+2.1
- Lead
- 1,336
- Total
- 32,327
- vs nation
- D+2.0
- Lead
- 2,262
- Total
- 28,996
- vs nation
- D+3.9
- Lead
- 3,326
- Total
- 27,265
- vs nation
- D+4.9
- Lead
- 475
- Total
- 23,042
- vs nation
- D+0.4
- Lead
- 40
- Total
- 16,150
- vs nation
- R+0.8
- Lead
- 373
- Total
- 11,051
- vs nation
- R+5.1
Key facts
- 2024 presidential margin
- D+1.6MIT Election Lab
- Population
- 74,5362024 5-year
- Population density
- 6,160 / sq mi2024 5-year · TIGER/Line
- Land area
- 12.1 sq miTIGER/Line
- Median household income
- $87,4552024 5-year
- White (non-Hispanic)
- 52.9%2024 5-year
- Black
- 7.3%2024 5-year
- Hispanic / Latino
- 19.9%2024 5-year
- Peak Democratic margin
- D+49.6 in 1936MIT Election Lab
- Peak Republican margin
- R+34.7 in 1980MIT Election Lab
- Most similar
- Assembly District 5, NV · twin score 92.6
presidential history
Party record book
Nevada 21st State House 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
54.9%
14,980 votes · D+12.2 · modeled estimate
Runner-up · Barack Obama, 2012 · 52.9%
Republican
Ronald Reagan1984
65.6%
4,271 votes · R+33.2 · modeled estimate
Runner-up · Richard Nixon, 1972 · 62.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
20,314votes
52.3% of the vote · D+6.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 19,138 votes
Republican
Donald Trump2024
18,520votes
48.4% of the vote · D+1.6 · modeled estimate
Runner-up · Donald Trump, 2020 · 17,785 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
+4.9pts D vs U.S.
Place D+12.2 · U.S. D+7.3 · modeled estimate
Runner-up · Barack Obama, 2012 · +3.9 pts
Republican
Ronald Reagan1980
+25.0pts R vs U.S.
Place R+34.7 · U.S. R+9.7 · modeled estimate
Runner-up · Ronald Reagan, 1984 · +15.0 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Nevada 21st State House District sits in the desert Southwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 49.6 points in 1936 and a Republican high of 34.7 points in 1980. Between 2020 and 2024 the district moved 4.9 points toward the Republican candidate; the 2024 margin was 1.6 points.
A population of 74,536, a 53% non-Hispanic-white share, and a median household income of $87,455 describe the district. The district's voting pattern over the last decade is most similar to that of Assembly District 5 and Assembly District 41.
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 →
Nevada 21st State House District. Akashic. https://akashic.app/sld-lower/32021/. Accessed May 20, 2026. License: CC BY 4.0.