Cass, Illinois — Presidential Election Results

Cass, Illinois has voted Republican in 6 of the last 7 presidential elections on record (2000–2024). It most recently flipped to Republican in 2012. In 2024, it was 55.3 pts more Rep. than Illinois 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. Illinois
2000 George W. Bush Republican 2,968 50.3% 3.0 pts (179 votes) 5,899 — 15.5 pts more Rep.
2004 George W. Bush Republican 3,163 55.5% 11.8 pts (671 votes) 5,700 -8.8 pts 22.3 pts more Rep.
2008 Barack Obama Democratic 2,690 49.7% 1.3 pts (73 votes) 5,408 +13.2 pts 24.1 pts more Rep.
2012 Mitt Romney Republican 2,707 55.7% 13.5 pts (654 votes) 4,862 -15.1 pts 30.9 pts more Rep.
2016 Donald Trump Republican 3,216 62.8% 31.1 pts (1,595 votes) 5,124 -19.2 pts 51.0 pts more Rep.
2020 Donald J Trump Republican 3,625 68.2% 37.8 pts (2,010 votes) 5,317 -5.4 pts 55.7 pts more Rep.
2024 Donald J Trump Republican 3,712 70.8% 43.4 pts (2,274 votes) 5,241 -5.8 pts 55.3 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 13,675 43.1% of population
2004 13,640 41.8% of population
2008 13,660 39.6% of population
2012 13,427 36.2% of population
2016 12,672 40.4% of population
2020 12,976 41.0% of population
2024 12,713 41.2% of population

Trend

Between 2000 and 2024, the two-party presidential margin in Cass shifted 41.0 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.

2000: R+3.1 pts 2004: R+11.9 pts 2008: D+1.4 pts 2012: R+13.7 pts 2016: R+33.0 pts 2020: R+38.4 pts 2024: R+44.2 pts 2000 2004 2008 2012 2016 2020 2024

Bellwether Status

Cass has matched the national popular winner in 5 of the last 7 presidential elections (71%), and Illinois's own statewide winner in 1 of 7 (14%). Compare every county on the bellwether counties page.

Related Pages

Other Illinois Counties

Frequently Asked Questions

How has Cass voted in presidential elections since 2000?

Since 2000, Cass has voted Democratic in 1 of 7 recorded presidential elections and Republican in 6 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 Barack Obama (Democratic) won by 1.4 points (73 votes) out of 5,408 total votes cast.

Has Cass ever flipped between parties?

Yes. Cass changed which party won the county in: 2008, 2012, based on the 2000-2024 record on this page.

What is the largest presidential election margin recorded in Cass?

The widest margin on record for Cass was in 2024, when Donald J Trump (Republican) won by 44.2 points.

How many votes were cast in Cass relative to its population?

In 2024, 5,241 votes were recorded in Cass against a total population of 12,713 (41.2% 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 5 of the last 7 presidential elections (71%), and Illinois's own statewide winner in 1 of 7 (14%).