Johnson, Kansas — Presidential Election Results
Johnson, 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 25.1 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 | 129,965 | 59.7% | 23.4 pts (50,847 votes) | 217,536 | — | 2.5 pts more Rep. |
| 2004 | George W. Bush | Republican | 158,103 | 61.1% | 23.3 pts (60,237 votes) | 258,687 | +0.8 pts | 2.2 pts more Dem. |
| 2008 | John McCain | Republican | 152,627 | 53.8% | 9.0 pts (25,536 votes) | 283,432 | +14.4 pts | 6.1 pts more Dem. |
| 2012 | Mitt Romney | Republican | 158,401 | 57.7% | 17.4 pts (47,875 votes) | 274,365 | -8.7 pts | 4.3 pts more Dem. |
| 2016 | Donald Trump | Republican | 137,490 | 47.4% | 2.6 pts (7,638 votes) | 290,090 | +14.9 pts | 19.4 pts more Dem. |
| 2020 | Joseph R Biden Jr | Democratic | 184,259 | 53.1% | 8.2 pts (28,628 votes) | 347,214 | +11.3 pts | 23.4 pts more Dem. |
| 2024 | Kamala D Harris | Democratic | 183,451 | 53.4% | 8.5 pts (29,204 votes) | 343,780 | +0.2 pts | 25.1 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 | 454,539 | 47.9% of population |
| 2004 | 495,396 | 52.2% of population |
| 2008 | 532,175 | 53.3% of population |
| 2012 | 559,428 | 49.0% of population |
| 2016 | 586,015 | 49.5% of population |
| 2020 | 611,161 | 56.8% of population |
| 2024 | 632,276 | 54.4% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Johnson shifted 33.0 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.
Bellwether Status
Johnson 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 Johnson voted in presidential elections since 2000?
Since 2000, Johnson 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 Johnson?
Johnson's closest recorded margin was in 2016, when Donald Trump (Republican) won by 2.9 points (7,638 votes) out of 290,090 total votes cast.
Has Johnson ever flipped between parties?
Yes. Johnson 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 Johnson?
The widest margin on record for Johnson was in 2000, when George W. Bush (Republican) won by 24.3 points.
How many votes were cast in Johnson relative to its population?
In 2024, 343,780 votes were recorded in Johnson against a total population of 632,276 (54.4% 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 Johnson a presidential bellwether county?
Johnson 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%).