Sunnyvale, Texas
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | −56.7% |
| 2008 | −45.1% |
| 2012 | −49.5% |
| 2016 | −38.1% |
| 2020 | −27.5% |
| 2024 | −34.1% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| R | 31.8%Harris1,585 | 65.9%Trump3,286 | 2.3% | R+34.1 | R+6.7 | R+32.7 | 4,985 | |
| R | 35.9%Biden1,571 | 63.3%Trump2,774 | 0.8% | R+27.5 | D+10.6 | R+31.9 | 4,380 | |
| R | 29.3%Clinton912 | 67.4%Trump2,096 | 3.2% | R+38.1 | D+11.4 | R+40.2 | 3,109 | |
| R | 24.5%Obama656 | 74.1%Romney1,981 | 1.4% | R+49.5 | R+4.4 | R+53.4 | 2,675 | |
| R | 27.2%Obama638 | 72.3%McCain1,696 | 0.5% | R+45.1 | D+11.6 | R+52.4 | 2,345 | |
| R | 21.1%Kerry412 | 77.9%Bush1,517 | 1.0% | R+56.7 | — | R+54.3 | 1,948 |
Sunnyvale sits on Dallas County's eastern edge, where rapid residential development has pushed population up sharply over the past decade, shifting a once-rural enclave toward the competitive suburban margins that increasingly decide Dallas-area contests.
Across the recorded series it reached a Republican high of 56.7 points in 2004. Between 2020 and 2024 the city moved 6.7 points toward the Republican candidate; the 2024 margin was 34.1 points.
A population of 8,336, a 51% non-Hispanic-white share, and a median household income of $170,348 describe the city. The city's voting pattern over the last decade is most similar to that of Tega Cay and Trophy Club.
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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Sunnyvale, Texas. Akashic. https://akashic.app/city/4871156/. Accessed May 20, 2026. License: CC BY 4.0.