Riley, Kansas — Presidential Election Results

Riley, Kansas has voted Republican in 5 of the last 7 presidential elections on record (2000–2024). It most recently flipped to Democratic in 2020. In 2024, it was 18.2 pts more Dem. than Kansas 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. Kansas
2000 George W. Bush Republican 10,672 58.5% 24.6 pts (4,484 votes) 18,253 — 4.8 pts more Rep.
2004 George W. Bush Republican 12,672 60.6% 22.8 pts (4,764 votes) 20,911 +3.4 pts 2.6 pts more Dem.
2008 John McCain Republican 12,111 52.7% 7.0 pts (1,616 votes) 22,997 +16.0 pts 8.1 pts more Dem.
2012 Mitt Romney Republican 11,507 54.5% 12.0 pts (2,530 votes) 21,101 -5.2 pts 9.8 pts more Dem.
2016 Donald Trump Republican 10,107 46.9% 3.6 pts (766 votes) 21,532 +8.4 pts 18.3 pts more Dem.
2020 Joseph R Biden Jr Democratic 12,765 50.7% 4.6 pts (1,155 votes) 25,171 +8.7 pts 19.7 pts more Dem.
2024 Kamala D Harris Democratic 12,063 49.6% 1.8 pts (433 votes) 24,313 -2.9 pts 18.2 pts more Dem.

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 63,237 28.9% of population
2004 64,218 32.6% of population
2008 69,444 33.1% of population
2012 77,497 27.2% of population
2016 75,172 28.6% of population
2020 72,011 35.0% of population
2024 72,557 33.5% of population

Trend

Between 2000 and 2024, the two-party presidential margin in Riley shifted 28.4 points toward the Democratic 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+26.6 pts 2004: R+23.1 pts 2008: R+7.1 pts 2012: R+12.4 pts 2016: R+3.9 pts 2020: D+4.7 pts 2024: D+1.8 pts 2000 2004 2008 2012 2016 2020 2024

Bellwether Status

Riley has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Kansas's own statewide winner in 5 of 7 (71%). Compare every county on the bellwether counties page.

Related Pages

Other Kansas Counties

Frequently Asked Questions

How has Riley voted in presidential elections since 2000?

Since 2000, Riley has voted Democratic in 2 of 7 recorded presidential elections and Republican in 5 of 7, based on county-level returns through 2024.

What was the closest presidential election in Riley?

Riley's closest recorded margin was in 2024, when Kamala D Harris (Democratic) won by 1.8 points (433 votes) out of 24,313 total votes cast.

Has Riley ever flipped between parties?

Yes. Riley changed which party won the county in: 2020, based on the 2000-2024 record on this page.

What is the largest presidential election margin recorded in Riley?

The widest margin on record for Riley was in 2000, when George W. Bush (Republican) won by 26.6 points.

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

In 2024, 24,313 votes were recorded in Riley against a total population of 72,557 (33.5% 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 Riley a presidential bellwether county?

Riley has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Kansas's own statewide winner in 5 of 7 (71%).