HarrisDemocratic41.7%2,150TrumpRepublican57.4%2,959OtherAll other candidates0.9%46
R+15.7- Lead
- 809
- Total
- 5,155
- vs nation
- R+14.2
modeled Census-place estimatemodeled estimate
Akashicstate house district
New Hampshire State House District Rockingham 18
Contests in this Place (47 available)
President38 · 1876–2024 · 3 mapped
▦ precinct · ▥ counties · ▢ no spatial detail
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
President results by year
Modeled candidate-vote estimate on current district boundaries
BidenDemocratic44.1%2,251TrumpRepublican54.7%2,796OtherAll other candidates1.2%61
R+10.7- Lead
- 545
- Total
- 5,108
- vs nation
- R+15.1
modeled Census-place estimatemodeled estimate
ClintonDemocratic36.9%1,671TrumpRepublican57.4%2,596OtherAll other candidates5.7%256
R+20.5- Lead
- 925
- Total
- 4,523
- vs nation
- R+22.5
modeled Census-place estimatemodeled estimate
ObamaDemocratic40.8%1,811RomneyRepublican58.1%2,577OtherAll other candidates1.1%48
R+17.3- Lead
- 766
- Total
- 4,436
- vs nation
- R+21.1
modeled Census-place estimatemodeled estimate
ObamaDemocratic43.5%1,890McCainRepublican55.4%2,405OtherAll other candidates1.1%46
R+11.9- Lead
- 515
- Total
- 4,341
- vs nation
- R+19.1
modeled Census-place estimatemodeled estimate
KerryDemocratic42.5%1,835BushRepublican56.9%2,461OtherAll other candidates0.6%26
R+14.5- Lead
- 626
- Total
- 4,322
- vs nation
- R+12.0
modeled Census-place estimatemodeled estimate
GoreDemocratic41.6%1,499BushRepublican54.8%1,976OtherAll other candidates3.6%130
R+13.2- Lead
- 477
- Total
- 3,605
- vs nation
- R+13.8
modeled Census-place estimatemodeled estimate
ClintonDemocratic44.2%1,305DoleRepublican47.0%1,386OtherAll other candidates8.8%260
R+2.7- Lead
- 81
- Total
- 2,951
- vs nation
- R+11.3
modeled Census-place estimatemodeled estimate
Key facts
- 2024 presidential margin
- R+15.7MIT Election Lab
- Population
- 7,0872024 5-year
- Population density
- 633 / sq mi2024 5-year · TIGER/Line
- Land area
- 11.2 sq miTIGER/Line
- Median household income
- $146,3802024 5-year
- White (non-Hispanic)
- 93.4%2024 5-year
- Black
- 0.4%2024 5-year
- Hispanic / Latino
- 2.8%2024 5-year
- Peak Democratic margin
- D+6.4 in 1964MIT Election Lab
- Peak Republican margin
- R+54.5 in 1956MIT Election Lab
- Most similar
- State House District Rockingham 14, NH · twin score 95.2
presidential history
Party record book
New Hampshire State House District Rockingham 18 · 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
53.2%
664 votes · D+6.4 · modeled estimate
Runner-up · Grover Cleveland, 1888 · 45.3%
Republican
Dwight D. Eisenhower1956
77.3%
849 votes · R+54.5 · modeled estimate
Runner-up · William McKinley, 1896 · 76.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
2,251votes
44.1% of the vote · R+10.7 · modeled estimate
Runner-up · Kamala Harris, 2024 · 2,150 votes
Republican
Donald Trump2024
2,959votes
57.4% of the vote · R+15.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 2,796 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
Bill Clinton1996
−11.3pts D vs U.S.
Place R+2.7 · U.S. D+8.5 · modeled estimate
Runner-up · John Kerry, 2004 · −12.0 pts
Republican
Alf Landon1936
+46.5pts R vs U.S.
Place R+22.3 · U.S. D+24.3 · modeled estimate
Runner-up · William McKinley, 1896 · +46.3 pts
current representation
Current officeholders
RDebra DeSimoneState House · Rockingham 18
RJay MarkellState House · Rockingham 18
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 3 House
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.
Rockingham 18 covers a small slice of New Hampshire's seacoast region with a population of roughly 7,000. Its 2024 presidential margin of R+15.7 places it among the state's more consistently right-leaning state house districts.
Across the recorded series it reached a Democratic high of 6.4 points in 1964 and a Republican high of 54.5 points in 1956. Between 2020 and 2024 the district moved 5.0 points toward the Republican candidate; the 2024 margin was 15.7 points.
A population of 7,087, a 93% non-Hispanic-white share, and a median household income of $146,380 describe the district. The district's voting pattern over the last decade is most similar to that of State House District Rockingham 14 and State House District Rockingham 03.
Political twins — state-house districts
The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
State House District Rockingham 14
New Hampshire
95.2twin score
median agepopulation scale% unaffiliated≠ median income
State House District Rockingham 03
New Hampshire
94.9twin score
median incomepopulation scale% unaffiliated≠ median age
State House District Rockingham 15
New Hampshire
92.2twin score
% unaffiliatedpopulation scale2008–2012 trajectory≠ median age
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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
New Hampshire State House District Rockingham 18. Akashic. https://akashic.app/sld-lower/33718/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
New Hampshire at the ballot boxAll elections →
Frequently asked questions
How did New Hampshire State House District Rockingham 18 vote in 2024?
In 2024, New Hampshire State House District Rockingham 18 voted Republican by 15.7 points (R+15.7), carried by the Republican candidate. Out of 5,155 votes cast, 2,150 went Democratic and 2,959 went Republican.
When did New Hampshire State House District Rockingham 18 last vote Democratic?
The most recent presidential election in which New Hampshire State House District Rockingham 18 voted Democratic was 1964.
How many people live in New Hampshire State House District Rockingham 18?
New Hampshire State House District Rockingham 18 has a population of 7,087 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in New Hampshire State House District Rockingham 18?
Median household income in New Hampshire State House District Rockingham 18 is $146,380 — above the national median of $80,734. The New Hampshire state median is $99,031.
What is the political history of New Hampshire State House District Rockingham 18?
Akashic tracks 38 presidential elections in New Hampshire State House District Rockingham 18 from 1876 to 2024. Of those, 1 went Democratic and 37 went Republican.