- Lead
- 43,961
- Total
- 516,251
- vs nation
- D+10.0
Rochester, NY
President margin by year
Place winner margin
President results by year
Vote totals, margins, and source status
- Lead
- 59,060
- Total
- 533,288
- vs nation
- D+6.6
- Lead
- 25,248
- Total
- 486,415
- vs nation
- D+3.1
- Lead
- 50,431
- Total
- 460,689
- vs nation
- D+7.1
- Lead
- 53,517
- Total
- 495,222
- vs nation
- D+3.5
- Lead
- 16,464
- Total
- 480,919
- vs nation
- R+1.0
- Lead
- 1,650
- Total
- 445,170
- vs nation
- R+0.1
- Lead
- 49,646
- Total
- 427,836
- vs nation
- D+3.1
Key facts
- 2024 presidential margin
- D+8.5MIT Election Lab
- Population
- 1,058,4132024 5-year
- Population density
- 362 / sq mi2024 5-year · TIGER/Line
- Land area
- 2,928 sq miTIGER/Line
- Median household income
- $76,3252024 5-year
- White (non-Hispanic)
- 73.2%2024 5-year
- Black
- 10.3%2024 5-year
- Hispanic / Latino
- 8.6%2024 5-year
- Peak Democratic margin
- D+40.0 in 1964MIT Election Lab
- Peak Republican margin
- R+41.3 in 1920MIT Election Lab
- Most similar
- Syracuse, NY · twin score 92.5
presidential history
Party record book
Rochester, NY · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 · 34 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Lyndon B. Johnson1964
69.9%
266,662 votes · D+40.0
Runner-up · Barack Obama, 2008 · 54.7%
Republican
Dwight D. Eisenhower1956
69.4%
256,422 votes · R+38.7
Runner-up · Warren G. Harding, 1920 · 66.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
290,015votes
54.4% of the vote · D+11.1
Runner-up · Kamala Harris, 2024 · 278,847 votes
Republican
Richard Nixon1972
270,610votes
64.1% of the vote · R+28.4
Runner-up · Ronald Reagan, 1984 · 258,306 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
Lyndon B. Johnson1964
+17.4pts D vs U.S.
Place D+40.0 · U.S. D+22.6
Runner-up · Jimmy Carter, 1980 · +10.6 pts
Republican
Herbert Hoover1932
+31.7pts R vs U.S.
Place R+13.9 · U.S. D+17.8
Runner-up · Alf Landon, 1936 · +28.1 pts
Registered voters
By party of registration, over time
Registration and the presidential vote track closely here — within 1.7 points.
745,399 registered voters · 2026
Who moves in and out
Net domestic migration over time
−665 net domestic migration · 2025
Net −60,076 over 2011–2025 · gain loss
| Year | Net domestic migration |
|---|---|
| 2011 | −3,104 |
| 2012 | −4,293 |
| 2013 | −3,954 |
| 2014 | −6,063 |
| 2015 | −7,275 |
| 2016 | −7,278 |
| 2017 | −5,437 |
| 2018 | −3,762 |
| 2019 | −3,734 |
| 2021 | −4,202 |
| 2022 | −5,821 |
| 2023 | −4,183 |
| 2024 | −305 |
| 2025 | −665 |
Rochester's electorate reflects a post-industrial city anchored by major research universities and healthcare institutions, producing high Democratic margins in Monroe County even as surrounding exurban townships trend in the opposite direction.
Across the recorded series it reached a Democratic high of 40.0 points in 1964 and a Republican high of 41.3 points in 1920. Between 2020 and 2024 the metro moved 2.6 points toward the Republican candidate; the 2024 margin was 8.5 points.
A population of 1,058,413, a 73% non-Hispanic-white share, and a median household income of $76,325 describe the metro. The metro's voting pattern over the last decade is most similar to that of Syracuse, NY and Albany-Schenectady-Troy, NY.
The metros 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.
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 →
Rochester, NY, New York. Akashic. https://akashic.app/cbsa/40380/. Accessed May 20, 2026. License: CC BY 4.0.