Dewey County, South Dakota
Latest: 2024
Leans Democratic — shifted 4.6pp toward Republicans in 2024 — 29 presidential elections on record
Race & ancestry
| Group | % |
|---|---|
▶White (Non-Hispanic)(12) | 21.0% |
▶Hispanic / Latino(2) | 1.0% |
▶Black / African American(3) | 0.5% |
Asian | 0.1% |
▶Native American / Alaska Native(2) | 74.2% |
Multiracial / Other | 3.2% |
Religious adherence
| Tradition | % Pop | % Adherents |
|---|---|---|
| Catholic | 24.9% | 55.5% |
| Mainline Protestant | 9.9% | 21.9% |
| Evangelical Protestant | 5.5% | 12.3% |
| Other | 4.6% | 10.3% |
| LDS (Mormon) | 4.4% | 9.8% |
| Non-religious | 55.0% | — |
Presidential results
| Year | Result |
|---|---|
| 2024 | Harris+12.8 |
| 2020 | Biden+17.3 |
| 2016 | Clinton+9.7 |
| 2012 | Obama+28.7 |
| 2008 | Obama+33.1 |
| 2004 | Kerry+26.7 |
| 2000 | Gore+7.1 |
| 1996 | Clinton+23.1 |
| 1992 | Clinton+7.1 |
Dewey, South Dakota is a county that has a population of 5,205. In the 2024 presidential election, it voted Democratic with a margin of D+12.8. Akashic Edge tracks 29 presidential elections here, dating back to 1912.
| Year | Dem % | Rep % | Margin | Swing |
|---|---|---|---|---|
| 2024 | 55.2% | 42.4% | D+12.8 | R+4.6 |
| 2020 | 57.5% | 40.2% | D+17.3 | D+7.7 |
| 2016 | 52.0% | 42.3% | D+9.7 | R+19.1 |
| 2012 | 63.7% | 35.0% | D+28.7 | R+4.4 |
| 2008 | 65.8% | 32.6% | D+33.1 | D+6.4 |
| 2004 | 62.6% | 35.9% | D+26.7 | D+19.6 |
| 2000 | 52.3% | 45.3% | D+7.1 | R+16.0 |
| 1996 | 56.3% | 33.2% | D+23.1 | D+16.0 |
| 1992 | 43.7% | 36.6% | D+7.1 | R+6.4 |
| 1988 | 56.3% | 42.8% | D+13.5 | D+23.3 |
| 1984 | 44.7% | 54.5% | R+9.8 | D+15.4 |
| 1980 | 34.0% | 59.1% | R+25.2 | R+17.8 |
| 1976 | 46.0% | 53.5% | R+7.4 | D+10.6 |
| 1972 | 40.8% | 58.9% | R+18.1 | R+5.7 |
| 1968 | 40.4% | 52.7% | R+12.3 | R+24.7 |
| 1964 | 56.2% | 43.8% | D+12.4 | D+18.0 |
| 1960 | 47.2% | 52.8% | R+5.6 | D+7.9 |
| 1956 | 43.2% | 56.8% | R+13.5 | D+19.2 |
| 1952 | 33.7% | 66.3% | R+32.7 | R+24.2 |
| 1948 | 45.3% | 53.8% | R+8.5 | — |
What defines Dewey?
It has a majority-minority electorate where racial demographics are the primary driver of partisan lean.
County in State Context
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Key Insights
High-confidence patterns distilled from this geography's election history.
- Has voted Democratic in the last 5 presidential elections
- Highly elastic — margins have ranged 23.5 points across recent elections, suggesting a volatile electorate
- Turnout of 59.7% in 2024 ranked 46 of 57 in the state — bottom quartile
Located In
Dewey sits inside these higher-level geographies.