Duncan, Oklahoma
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | −42.6% |
| 2008 | −49.9% |
| 2012 | −50.5% |
| 2016 | −56.0% |
| 2020 | −57.7% |
| 2024 | −55.8% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| R | 21.2%Harris1,876 | 77.0%Trump6,815 | 1.9% | R+55.8 | D+1.9 | R+54.3 | 8,856 | |
| R | 20.2%Biden1,929 | 77.9%Trump7,424 | 1.9% | R+57.7 | R+1.7 | R+62.1 | 9,531 | |
| R | 20.0%Clinton1,827 | 76.0%Trump6,948 | 4.1% | R+56.0 | R+5.5 | R+58.1 | 9,148 | |
| R | 24.7%Obama2,226 | 75.3%Romney6,768 | — | R+50.5 | R+0.6 | R+54.4 | 8,994 | |
| R | 24.6%Obama2,341 | 74.5%McCain7,086 | 0.9% | R+49.9 | R+7.3 | R+57.1 | 9,516 | |
| R | 28.7%Kerry2,741 | 71.3%Bush6,806 | 0.0% | R+42.6 | — | R+40.1 | 9,547 |
Duncan anchors Stephens County's petroleum industry, home to Halliburton's founding roots, and votes heavily Republican in statewide races — often by margins exceeding 40 points.
Across the recorded series it reached a Republican high of 57.7 points in 2020. Between 2020 and 2024 the city moved 1.9 points toward the Democratic candidate; the 2024 margin was 55.8 points.
A population of 22,958, a 75% non-Hispanic-white share, and a median household income of $58,054 describe the city. The city's voting pattern over the last decade is most similar to that of Easley and Ponca City.
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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Duncan, Oklahoma. Akashic. https://akashic.app/city/4021900/. Accessed May 20, 2026. License: CC BY 4.0.