Cass County, Iowa
| Donald Trump ✓Republican | 69.4% | 5,007 |
|---|---|---|
| Kamala HarrisDemocratic | 28.8% | 2,077 |
| Robert F Kennedy Jr.We The People | 1.1% | 76 |
| Year | Margin (D minus R) |
|---|---|
| 1892 | −7.0% |
| 1896 | −13.6% |
| 1900 | −21.5% |
| 1904 | −35.6% |
| 1908 | −25.0% |
| 1912 | −4.8% |
| 1916 | −20.8% |
| 1920 | −58.3% |
| 1924 | −55.5% |
| 1928 | −39.5% |
| 1932 | +1.4% |
| 1936 | −13.4% |
| 1940 | −25.7% |
| 1944 | −31.3% |
| 1948 | −20.3% |
| 1952 | −51.5% |
| 1956 | −36.8% |
| 1960 | −34.5% |
| 1964 | −2.1% |
| 1968 | −39.8% |
| 1972 | −45.6% |
| 1976 | −22.8% |
| 1980 | −39.6% |
| 1984 | −35.0% |
| 1988 | −14.8% |
| 1992 | −13.4% |
| 1996 | −11.2% |
| 2000 | −25.1% |
| 2004 | −28.1% |
| 2008 | −10.8% |
| 2012 | −18.9% |
| 2016 | −39.0% |
| 2020 | −38.0% |
| 2024 | −40.6% |
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 10,776 | 2,130 | 5,103 | 3,542 | 1 |
| 2010 | 10,960 | 1,942 | 5,533 | 3,480 | 5 |
| 2012 | 10,639 | 1,823 | 5,235 | 3,573 | 8 |
| 2014 | 10,288 | 1,705 | 5,049 | 3,523 | 11 |
| 2016 | 10,042 | 1,633 | 5,095 | 3,288 | 26 |
| 2018 | 9,706 | 1,585 | 4,873 | 3,209 | 39 |
| 2020 | 9,949 | 1,789 | 5,017 | 3,084 | 59 |
| 2022 | 9,619 | 1,606 | 4,949 | 3,000 | 64 |
| 2024 | 9,634 | 1,525 | 5,055 | 2,984 | 70 |
Cass County has delivered Republican presidential margins exceeding 35 points in each of the last three cycles, reflecting the deep-red drift of Iowa's rural, agriculture-dependent southwest corner.
Across the recorded series it reached a Democratic high of 1.4 points in 1932 and a Republican high of 58.3 points in 1920. Between 2020 and 2024 the county moved 2.6 points toward the Republican candidate; the 2024 margin was 40.6 points.
A population of 13,096, a 94% non-Hispanic-white share, and a median household income of $63,013 describe the county. The county's voting pattern over the last decade is most similar to that of Burt County and Brown County.
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Cass County, Iowa. Akashic. https://akashic.app/county/19029/. Accessed May 20, 2026. License: CC BY 4.0.