- Lead
- 1,994
- Total
- 9,616
- vs nation
- D+22.2
New Hampshire State House District Merrimack 9
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 2,379
- Total
- 9,695
- vs nation
- D+20.1
- Lead
- 1,265
- Total
- 8,989
- vs nation
- D+12.0
- Lead
- 1,703
- Total
- 8,860
- vs nation
- D+15.4
- Lead
- 1,794
- Total
- 8,838
- vs nation
- D+13.0
- Lead
- 591
- Total
- 8,501
- vs nation
- D+9.4
- Lead
- 202
- Total
- 6,958
- vs nation
- D+2.4
- Lead
- 1,012
- Total
- 6,028
- vs nation
- D+8.3
Key facts
- 2024 presidential margin
- D+20.7MIT Election Lab
- Population
- 14,1432024 5-year
- Population density
- 198 / sq mi2024 5-year · TIGER/Line
- Land area
- 71.5 sq miTIGER/Line
- Median household income
- $157,1882024 5-year
- White (non-Hispanic)
- 92.5%2024 5-year
- Black
- 0.3%2024 5-year
- Hispanic / Latino
- 2.3%2024 5-year
- Peak Democratic margin
- D+24.5 in 2020MIT Election Lab
- Peak Republican margin
- R+41.8 in 1956MIT Election Lab
- Most similar
- State House District Merrimack 24, NH · twin score 93.2
presidential history
Party record book
New Hampshire State House District Merrimack 9 · 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
62.0%
2,233 votes · D+24.1 · modeled estimate
Runner-up · Joe Biden, 2020 · 61.4%
Republican
Dwight D. Eisenhower1956
70.9%
2,403 votes · R+41.8 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 67.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
5,950votes
61.4% of the vote · D+24.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 5,736 votes
Republican
George W. Bush2004
3,934votes
46.3% of the vote · D+7.0 · modeled estimate
Runner-up · Donald Trump, 2024 · 3,742 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
+22.2pts D vs U.S.
Place D+20.7 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +20.1 pts
Republican
William McKinley1896
+31.1pts R vs U.S.
Place R+37.2 · U.S. R+6.1 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · +26.4 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 09 covers part of New Hampshire's capital region and has posted Democratic presidential margins above 20 points, placing it among the more reliably left-leaning state house districts in a state known for sharp local variation.
Across the recorded series it reached a Democratic high of 24.5 points in 2020 and a Republican high of 41.8 points in 1956. Between 2020 and 2024 the district moved 3.8 points toward the Republican candidate; the 2024 margin was 20.7 points.
A population of 14,143, a 93% non-Hispanic-white share, and a median household income of $157,188 describe the district. The district's voting pattern over the last decade is most similar to that of State House District Merrimack 24 and State House District 126.
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 9. Akashic. https://akashic.app/sld-lower/33609/. Accessed May 20, 2026. License: CC BY 4.0.