Delaware County, Iowa
| Donald Trump ✓Republican | 68.9% | 6,984 |
|---|---|---|
| Kamala HarrisDemocratic | 29.4% | 2,978 |
| Robert F Kennedy Jr.We The People | 0.9% | 91 |
| Year | Margin (D minus R) |
|---|---|
| 1892 | −11.7% |
| 1896 | −22.1% |
| 1900 | −27.7% |
| 1904 | −36.6% |
| 1908 | −23.3% |
| 1912 | +0.1% |
| 1916 | −35.3% |
| 1920 | −67.3% |
| 1924 | −49.7% |
| 1928 | −27.8% |
| 1932 | +5.4% |
| 1936 | −1.5% |
| 1940 | −34.8% |
| 1944 | −34.7% |
| 1948 | −22.4% |
| 1952 | −46.5% |
| 1956 | −37.2% |
| 1960 | −15.2% |
| 1964 | +14.8% |
| 1968 | −24.1% |
| 1972 | −24.0% |
| 1976 | −13.3% |
| 1980 | −21.1% |
| 1984 | −20.1% |
| 1988 | +7.0% |
| 1992 | −1.2% |
| 1996 | +8.5% |
| 2000 | −5.6% |
| 2004 | −7.4% |
| 2008 | +6.0% |
| 2012 | −0.2% |
| 2016 | −29.3% |
| 2020 | −35.1% |
| 2024 | −39.5% |
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 12,641 | 3,171 | 3,963 | 5,505 | 2 |
| 2010 | 12,513 | 2,972 | 4,077 | 5,459 | 5 |
| 2012 | 12,629 | 2,896 | 4,105 | 5,625 | 3 |
| 2014 | 12,036 | 2,677 | 3,978 | 5,377 | 4 |
| 2016 | 11,815 | 2,477 | 4,561 | 4,750 | 27 |
| 2018 | 11,894 | 2,425 | 4,452 | 4,961 | 56 |
| 2020 | 12,275 | 2,717 | 4,873 | 4,623 | 62 |
| 2022 | 12,371 | 2,561 | 5,012 | 4,731 | 67 |
| 2024 | 12,473 | 2,385 | 5,233 | 4,784 | 71 |
Delaware County's economy centers on livestock and grain farming, and its small-town voter base has shifted toward Republican presidential candidates by double digits over the past four election cycles, reaching a 39.5-point margin in 2024.
Across the recorded series it reached a Democratic high of 14.8 points in 1964 and a Republican high of 67.3 points in 1920. Between 2020 and 2024 the county moved 4.4 points toward the Republican candidate; the 2024 margin was 39.5 points.
A population of 17,558, a 94% non-Hispanic-white share, and a median household income of $74,989 describe the county. The county's voting pattern over the last decade is most similar to that of Union County and Crawford County.
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Delaware County, Iowa. Akashic. https://akashic.app/county/19055/. Accessed May 20, 2026. License: CC BY 4.0.