Rochester, New Hampshire
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | +0.1% |
| 2008 | +10.1% |
| 2012 | +4.6% |
| 2016 | −10.0% |
| 2020 | −1.4% |
| 2024 | −3.6% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| R | 47.7%Harris8,264 | 51.3%Trump8,881 | 1.0% | R+3.6 | R+2.2 | R+2.1 | 17,313 | |
| R | 48.3%Biden8,132 | 49.7%Trump8,367 | 2.1% | R+1.4 | D+8.6 | R+5.8 | 16,845 | |
| R | 41.3%Clinton6,267 | 51.3%Trump7,789 | 7.5% | R+10.0 | R+14.6 | R+12.1 | 15,190 | |
| D | 51.4%Obama7,480 | 46.8%Romney6,810 | 1.9% | D+4.6 | R+5.5 | D+0.7 | 14,566 | |
| D | 54.7%Obama7,947 | 44.6%McCain6,483 | 0.8% | D+10.1 | D+10.0 | D+2.8 | 14,540 | |
| D | 49.6%Kerry6,679 | 49.6%Bush6,670 | 0.8% | D+0.1 | — | D+2.5 | 13,453 |
Rochester's working-class manufacturing heritage keeps margins tighter than its size might suggest, making it a reliable bellwether for how blue-collar Democrats and independent voters split in competitive New Hampshire cycles.
Across the recorded series it reached a Democratic high of 10.1 points in 2008 and a Republican high of 10.0 points in 2016. Between 2020 and 2024 the city moved 2.2 points toward the Republican candidate; the 2024 margin was 3.6 points.
A population of 33,144, a 92% non-Hispanic-white share, and a median household income of $80,836 describe the city. The city's voting pattern over the last decade is most similar to that of Laconia and Sanford.
The cities 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.
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Rochester, New Hampshire. Akashic. https://akashic.app/city/3365140/. Accessed May 20, 2026. License: CC BY 4.0.