Sienna, Texas
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | −39.4% |
| 2008 | −15.7% |
| 2012 | −23.1% |
| 2016 | −10.2% |
| 2020 | +2.3% |
| 2024 | +5.8% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| D | 52.0%Harris6,539 | 46.3%Trump5,816 | 1.7% | D+5.8 | D+3.4 | D+7.2 | 12,568 | |
| D | 50.7%Biden5,225 | 48.4%Trump4,983 | 0.9% | D+2.3 | D+12.6 | R+2.1 | 10,305 | |
| R | 42.7%Clinton2,957 | 53.0%Trump3,665 | 4.3% | R+10.2 | D+12.8 | R+12.3 | 6,917 | |
| R | 38.0%Obama2,270 | 61.0%Romney3,649 | 1.0% | R+23.1 | R+7.4 | R+26.9 | 5,979 | |
| R | 42.0%Obama2,284 | 57.7%McCain3,138 | 0.3% | R+15.7 | D+23.7 | R+23.0 | 5,439 | |
| R | 30.3%Kerry892 | 69.7%Bush2,054 | 0.0% | R+39.4 | — | R+37.0 | 2,946 |
Sienna is one of Houston's largest master-planned communities, situated in Fort Bend County — among the most ethnically diverse counties in the United States — where suburban growth has coincided with shifting electoral margins over the past decade.
Across the recorded series it reached a Democratic high of 5.8 points in 2024 and a Republican high of 39.4 points in 2004. Between 2020 and 2024 the city moved 3.4 points toward the Democratic candidate; the 2024 margin was 5.8 points.
A population of 24,992, a 53% non-Hispanic-white share, and a median household income of $177,837 describe the city. The city's voting pattern over the last decade is most similar to that of Zionsville and Wyndham.
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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Sienna, Texas. Akashic. https://akashic.app/city/4867763/. Accessed May 20, 2026. License: CC BY 4.0.