- Lead
- 1,993
- Total
- 26,245
- vs nation
- D+9.1
New Hampshire 20th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 4,472
- Total
- 25,023
- vs nation
- D+13.4
- Lead
- 2,510
- Total
- 23,326
- vs nation
- D+8.7
- Lead
- 2,151
- Total
- 22,931
- vs nation
- D+5.5
- Lead
- 2,720
- Total
- 22,839
- vs nation
- D+4.6
- Lead
- 414
- Total
- 22,153
- vs nation
- D+4.3
- Lead
- 500
- Total
- 18,832
- vs nation
- D+2.1
- Lead
- 2,061
- Total
- 16,801
- vs nation
- D+3.7
Key facts
- 2024 presidential margin
- D+7.6MIT Election Lab
- Population
- 57,8412024 5-year
- Population density
- 4,519 / sq mi2024 5-year · TIGER/Line
- Land area
- 12.8 sq miTIGER/Line
- Median household income
- $75,8492024 5-year
- White (non-Hispanic)
- 73.7%2024 5-year
- Black
- 5.6%2024 5-year
- Hispanic / Latino
- 11.4%2024 5-year
- Peak Democratic margin
- D+36.6 in 1964MIT Election Lab
- Peak Republican margin
- R+37.9 in 1896MIT Election Lab
- Most similar
- State Senate District 13, NH · twin score 95.5
presidential history
Party record book
New Hampshire 20th State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Lyndon B. Johnson1964
68.3%
6,941 votes · D+36.6 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1940 · 64.3%
Republican
Ronald Reagan1984
67.9%
8,800 votes · R+37.1 · modeled estimate
Runner-up · William McKinley, 1896 · 65.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
14,480votes
57.9% of the vote · D+17.9 · modeled estimate
Runner-up · Kamala Harris, 2024 · 13,874 votes
Republican
Donald Trump2024
11,881votes
45.3% of the vote · D+7.6 · modeled estimate
Runner-up · George W. Bush, 2004 · 10,780 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
Al Smith1928
+31.2pts D vs U.S.
Place D+13.7 · U.S. R+17.5 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1944 · +21.1 pts
Republican
William McKinley1896
+31.8pts R vs U.S.
Place R+37.9 · U.S. R+6.1 · modeled estimate
Runner-up · George H. W. Bush, 1988 · +19.2 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 |
|---|---|---|---|---|
| 2018 | D | 55.1%11,868 | 44.9%9,680 | 21,548 |
With roughly 58,000 residents and a 2024 presidential margin of D+7.7, this New Hampshire Senate district leans modestly left of the state's competitive average, making it a reliable but not overwhelming marker for statewide Democratic performance.
Across the recorded series it reached a Democratic high of 36.6 points in 1964 and a Republican high of 37.9 points in 1896. Between 2020 and 2024 the district moved 10.3 points toward the Republican candidate; the 2024 margin was 7.6 points.
A population of 57,841, a 74% non-Hispanic-white share, and a median household income of $75,849 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 13 and State Senate District 21.
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 Hampshire 20th State Senate District. Akashic. https://akashic.app/sld-upper/33020/. Accessed May 20, 2026. License: CC BY 4.0.