Rio Grande City, Texas
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | +42.8% |
| 2008 | +63.5% |
| 2012 | +70.3% |
| 2016 | +55.0% |
| 2020 | +5.6% |
| 2024 | −12.9% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| R | 43.3%Harris1,778 | 56.2%Trump2,307 | 0.4% | R+12.9 | R+18.5 | R+11.4 | 4,102 | |
| D | 52.6%Biden2,037 | 46.9%Trump1,819 | 0.5% | D+5.6 | R+49.4 | D+1.2 | 3,876 | |
| D | 76.3%Clinton2,198 | 21.3%Trump613 | 2.5% | D+55.0 | R+15.3 | D+52.9 | 2,882 | |
| D | 84.8%Obama2,470 | 14.5%Romney423 | 0.7% | D+70.3 | D+6.8 | D+66.4 | 2,912 | |
| D | 80.8%Obama2,020 | 17.3%McCain432 | 1.9% | D+63.5 | D+20.7 | D+56.2 | 2,500 | |
| D | 71.2%Kerry1,906 | 28.4%Bush759 | 0.4% | D+42.8 | — | D+45.3 | 2,677 |
Rio Grande City anchors Starr County, one of the most heavily Hispanic jurisdictions in the country, where dramatic swings in recent cycles have made it a closely watched indicator of South Texas voter sentiment.
Across the recorded series it reached a Democratic high of 70.3 points in 2012 and a Republican high of 12.9 points in 2024. Between 2020 and 2024 the city moved 18.5 points toward the Republican candidate; the 2024 margin was 12.9 points.
A population of 15,396, a 3% non-Hispanic-white share, and a median household income of $44,577 describe the city. The city's voting pattern over the last decade is most similar to that of Hidalgo and Eidson Road.
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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Rio Grande City, Texas. Akashic. https://akashic.app/city/4862168/. Accessed May 20, 2026. License: CC BY 4.0.