Grundy, Illinois — Presidential Election Results

Grundy, 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 41.2 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 8,709 52.5% 7.2 pts (1,193 votes) 16,584 — 19.7 pts more Rep.
2004 George W. Bush Republican 11,198 56.5% 13.8 pts (2,735 votes) 19,831 -6.6 pts 24.3 pts more Rep.
2008 Barack Obama Democratic 11,063 49.9% 1.7 pts (376 votes) 22,171 +15.6 pts 23.7 pts more Rep.
2012 Mitt Romney Republican 11,343 53.4% 8.9 pts (1,892 votes) 21,244 -10.8 pts 26.3 pts more Rep.
2016 Donald Trump Republican 13,454 57.9% 23.2 pts (5,389 votes) 23,237 -15.9 pts 43.1 pts more Rep.
2020 Donald J Trump Republican 16,523 61.9% 25.8 pts (6,897 votes) 26,691 -1.3 pts 43.7 pts more Rep.
2024 Donald J Trump Republican 16,997 63.9% 29.5 pts (7,854 votes) 26,589 -3.7 pts 41.2 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 37,704 44.0% of population
2004 41,410 47.9% of population
2008 49,166 45.1% of population
2012 50,160 42.4% of population
2016 50,317 46.2% of population
2020 52,535 50.8% of population
2024 53,835 49.4% of population

Trend

Between 2000 and 2024, the two-party presidential margin in Grundy shifted 22.7 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+7.4 pts 2004: R+13.9 pts 2008: D+1.7 pts 2012: R+9.1 pts 2016: R+25.0 pts 2020: R+26.4 pts 2024: R+30.0 pts 2000 2004 2008 2012 2016 2020 2024

Bellwether Status

Grundy 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 Grundy voted in presidential elections since 2000?

Since 2000, Grundy 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 Grundy?

Grundy's closest recorded margin was in 2008, when Barack Obama (Democratic) won by 1.7 points (376 votes) out of 22,171 total votes cast.

Has Grundy ever flipped between parties?

Yes. Grundy 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 Grundy?

The widest margin on record for Grundy was in 2024, when Donald J Trump (Republican) won by 30.0 points.

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

In 2024, 26,589 votes were recorded in Grundy against a total population of 53,835 (49.4% 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 Grundy a presidential bellwether county?

Grundy 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%).