- Lead
- 632
- Total
- 2,357
- vs nation
- D+28.3
New Hampshire State House District Merrimack 20
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 710
- Total
- 2,270
- vs nation
- D+26.8
- Lead
- 550
- Total
- 2,025
- vs nation
- D+25.1
- Lead
- 799
- Total
- 2,138
- vs nation
- D+33.5
- Lead
- 822
- Total
- 2,130
- vs nation
- D+31.3
- Lead
- 656
- Total
- 2,122
- vs nation
- D+33.4
- Lead
- 455
- Total
- 1,761
- vs nation
- D+25.3
- Lead
- 589
- Total
- 1,625
- vs nation
- D+27.7
Key facts
- 2024 presidential margin
- D+26.8MIT Election Lab
- Population
- 4,2312024 5-year
- Population density
- 2,227 / sq mi2024 5-year · TIGER/Line
- Land area
- 1.9 sq miTIGER/Line
- Median household income
- $66,9392024 5-year
- White (non-Hispanic)
- 84.0%2024 5-year
- Black
- 3.6%2024 5-year
- Hispanic / Latino
- 3.3%2024 5-year
- Peak Democratic margin
- D+45.3 in 1964MIT Election Lab
- Peak Republican margin
- R+19.0 in 1956MIT Election Lab
- Most similar
- State House District Cheshire 07, NH · twin score 95.3
presidential history
Party record book
New Hampshire State House District Merrimack 20 · 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
72.6%
677 votes · D+45.3 · modeled estimate
Runner-up · Barack Obama, 2008 · 68.2%
Republican
Dwight D. Eisenhower1956
59.5%
442 votes · R+19.0 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 54.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
1,471votes
64.8% of the vote · D+31.3 · modeled estimate
Runner-up · Kamala Harris, 2024 · 1,465 votes
Republican
Donald Trump2024
833votes
35.3% of the vote · D+26.8 · modeled estimate
Runner-up · Donald Trump, 2020 · 761 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
James M. Cox1920
+35.2pts D vs U.S.
Place D+9.0 · U.S. R+26.2 · modeled estimate
Runner-up · Barack Obama, 2012 · +33.5 pts
Republican
William McKinley1896
+6.4pts R vs U.S.
Place R+12.5 · U.S. R+6.1 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · +3.6 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.
Merrimack 20 covers part of Concord, New Hampshire's capital city, and its 26.8-point Democratic presidential margin in 2024 reflects the dense, college-educated urban core typical of state capital districts.
Across the recorded series it reached a Democratic high of 45.3 points in 1964 and a Republican high of 19.0 points in 1956. Between 2020 and 2024 the district moved 4.5 points toward the Republican candidate; the 2024 margin was 26.8 points.
A population of 4,231, a 84% non-Hispanic-white share, and a median household income of $66,939 describe the district. The district's voting pattern over the last decade is most similar to that of State House District Cheshire 07 and Lamoille-3 State House District.
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 Hampshire State House District Merrimack 20. Akashic. https://akashic.app/sld-lower/33620/. Accessed May 20, 2026. License: CC BY 4.0.