Decatur, Indiana — Presidential Election Results

Decatur, Indiana has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 40.2 pts more Rep. than Indiana 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. Indiana
2000 George W. Bush Republican 6,115 66.7% 35.2 pts (3,226 votes) 9,171 — 19.8 pts more Rep.
2004 George W. Bush Republican 7,499 73.5% 47.8 pts (4,878 votes) 10,199 -12.4 pts 27.4 pts more Rep.
2008 John McCain Republican 6,449 61.5% 24.4 pts (2,557 votes) 10,488 +23.5 pts 25.8 pts more Rep.
2012 Mitt Romney Republican 7,119 69.1% 40.5 pts (4,178 votes) 10,308 -16.8 pts 31.1 pts more Rep.
2016 Donald Trump Republican 8,490 76.3% 57.2 pts (6,369 votes) 11,127 -18.5 pts 39.8 pts more Rep.
2020 Donald J Trump Republican 9,575 77.9% 58.1 pts (7,136 votes) 12,287 +0.6 pts 43.0 pts more Rep.
2024 Donald J Trump Republican 9,491 78.4% 58.5 pts (7,085 votes) 12,111 -0.2 pts 40.2 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 24,572 37.3% of population
2004 25,208 40.5% of population
2008 25,600 41.0% of population
2012 26,043 39.6% of population
2016 26,565 41.9% of population
2020 26,476 46.4% of population
2024 26,421 45.8% of population

Trend

Between 2000 and 2024, the two-party presidential margin in Decatur shifted 23.7 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+35.8 pts 2004: R+48.2 pts 2008: R+24.7 pts 2012: R+41.5 pts 2016: R+60.0 pts 2020: R+59.4 pts 2024: R+59.6 pts 2000 2004 2008 2012 2016 2020 2024

Bellwether Status

Decatur has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Indiana's own statewide winner in 6 of 7 (86%). Compare every county on the bellwether counties page.

Related Pages

Other Indiana Counties

Frequently Asked Questions

How has Decatur voted in presidential elections since 2000?

Since 2000, Decatur 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 Decatur?

Decatur's closest recorded margin was in 2008, when John McCain (Republican) won by 24.7 points (2,557 votes) out of 10,488 total votes cast.

Has Decatur ever flipped between parties?

Not in the 2000-2024 record on this page -- Decatur has voted for the same party in every recorded presidential election in that span.

What is the largest presidential election margin recorded in Decatur?

The widest margin on record for Decatur was in 2016, when Donald Trump (Republican) won by 60.0 points.

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

In 2024, 12,111 votes were recorded in Decatur against a total population of 26,421 (45.8% 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 Decatur a presidential bellwether county?

Decatur has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Indiana's own statewide winner in 6 of 7 (86%).