Cass, Iowa — Presidential Election Results
Cass, Iowa has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 27.9 pts more Rep. than Iowa overall.
Jump to year: 2000 · 2004 · 2008 · 2012 · 2016 · 2020 · 2024
Full Election History, 2000–2024
| Year | Winner | Party | Votes | Vote Share | Margin | Total Votes Cast | Swing | Vs. Iowa |
|---|---|---|---|---|---|---|---|---|
| 2000 | George W. Bush | Republican | 4,206 | 61.1% | 25.1 pts (1,725 votes) | 6,880 | — | 26.1 pts more Rep. |
| 2004 | George W. Bush | Republican | 4,796 | 63.6% | 28.1 pts (2,117 votes) | 7,543 | -2.5 pts | 27.6 pts more Rep. |
| 2008 | John McCain | Republican | 4,006 | 54.5% | 10.8 pts (795 votes) | 7,350 | +17.3 pts | 20.7 pts more Rep. |
| 2012 | Mitt Romney | Republican | 4,217 | 58.5% | 18.9 pts (1,359 votes) | 7,205 | -8.2 pts | 25.1 pts more Rep. |
| 2016 | Donald Trump | Republican | 4,761 | 66.8% | 39.4 pts (2,810 votes) | 7,125 | -22.7 pts | 31.7 pts more Rep. |
| 2020 | Donald J Trump | Republican | 4,979 | 68.4% | 38.2 pts (2,778 votes) | 7,276 | +3.2 pts | 30.1 pts more Rep. |
| 2024 | Donald J Trump | Republican | 5,007 | 69.4% | 40.6 pts (2,930 votes) | 7,217 | -2.7 pts | 27.9 pts more Rep. |
Population Context
Total Census Bureau population estimate for the county that year, and recorded votes as a share of that total population. This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.
| Year | County Population | Votes Cast (% of Population) |
|---|---|---|
| 2000 | 14,675 | 46.9% of population |
| 2004 | 14,142 | 53.3% of population |
| 2008 | 13,935 | 52.7% of population |
| 2012 | 13,700 | 52.6% of population |
| 2016 | 13,176 | 54.1% of population |
| 2020 | 13,115 | 55.5% of population |
| 2024 | 13,024 | 55.4% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Cass shifted 15.6 points toward the Republican candidate, based on recorded county returns. This reflects the vote totals in this dataset only; no claim is made here about the causes of that shift.
Margin Over Time
Democratic candidate's margin (percentage points, two-party vote share). Positive values favor the Democratic candidate; negative values favor the Republican candidate.
Bellwether Status
Cass has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Iowa's own statewide winner in 4 of 7 (57%). Compare every county on the bellwether counties page.
Related Pages
Other Iowa Counties
Frequently Asked Questions
How has Cass voted in presidential elections since 2000?
Since 2000, Cass has voted Democratic in 0 of 7 recorded presidential elections and Republican in 7 of 7, based on county-level returns through 2024.
What was the closest presidential election in Cass?
Cass's closest recorded margin was in 2008, when John McCain (Republican) won by 11.0 points (795 votes) out of 7,350 total votes cast.
Has Cass ever flipped between parties?
Not in the 2000-2024 record on this page -- Cass has voted for the same party in every recorded presidential election in that span.
What is the largest presidential election margin recorded in Cass?
The widest margin on record for Cass was in 2016, when Donald Trump (Republican) won by 41.9 points.
How many votes were cast in Cass relative to its population?
In 2024, 7,217 votes were recorded in Cass against a total population of 13,024 (55.4% of the total population). This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.
Is Cass a presidential bellwether county?
Cass has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Iowa's own statewide winner in 4 of 7 (57%).