Arapahoe, Colorado — Presidential Election Results
Arapahoe, Colorado has voted Democratic in 5 of the last 7 presidential elections on record (2000–2024). It most recently flipped to Democratic in 2008. In 2024, it was 9.4 pts more Dem. than Colorado 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. Colorado |
|---|---|---|---|---|---|---|---|---|
| 2000 | George W. Bush | Republican | 97,768 | 51.5% | 8.0 pts (15,154 votes) | 189,942 | — | 0.6 pts more Dem. |
| 2004 | George W. Bush | Republican | 119,475 | 51.5% | 4.0 pts (9,213 votes) | 232,171 | +4.4 pts | 0.7 pts more Dem. |
| 2008 | Barack Obama | Democratic | 148,218 | 55.7% | 12.9 pts (34,352 votes) | 266,148 | +17.1 pts | 4.0 pts more Dem. |
| 2012 | Barack Obama | Democratic | 153,905 | 53.9% | 9.9 pts (28,317 votes) | 285,516 | -3.0 pts | 4.6 pts more Dem. |
| 2016 | Hillary Clinton | Democratic | 159,885 | 52.8% | 14.1 pts (42,832 votes) | 303,046 | +5.3 pts | 10.1 pts more Dem. |
| 2020 | Joseph R Biden Jr | Democratic | 213,607 | 61.0% | 24.6 pts (86,284 votes) | 350,183 | +9.8 pts | 11.4 pts more Dem. |
| 2024 | Kamala D Harris | Democratic | 190,725 | 58.6% | 20.1 pts (65,414 votes) | 325,451 | -4.6 pts | 9.4 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 | 491,482 | 38.6% of population |
| 2004 | 518,971 | 44.7% of population |
| 2008 | 552,461 | 48.2% of population |
| 2012 | 596,500 | 47.9% of population |
| 2016 | 638,950 | 47.4% of population |
| 2020 | 655,312 | 53.4% of population |
| 2024 | 666,918 | 48.8% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Arapahoe shifted 29.1 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
Arapahoe has matched the national popular winner in 5 of the last 7 presidential elections (71%), and Colorado's own statewide winner in 7 of 7 (100%). Compare every county on the bellwether counties page.
Related Pages
Other Colorado Counties
Frequently Asked Questions
How has Arapahoe voted in presidential elections since 2000?
Since 2000, Arapahoe has voted Democratic in 5 of 7 recorded presidential elections and Republican in 2 of 7, based on county-level returns through 2024.
What was the closest presidential election in Arapahoe?
Arapahoe's closest recorded margin was in 2004, when George W. Bush (Republican) won by 4.0 points (9,213 votes) out of 232,171 total votes cast.
Has Arapahoe ever flipped between parties?
Yes. Arapahoe changed which party won the county in: 2008, based on the 2000-2024 record on this page.
What is the largest presidential election margin recorded in Arapahoe?
The widest margin on record for Arapahoe was in 2020, when Joseph R Biden Jr (Democratic) won by 25.3 points.
How many votes were cast in Arapahoe relative to its population?
In 2024, 325,451 votes were recorded in Arapahoe against a total population of 666,918 (48.8% 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 Arapahoe a presidential bellwether county?
Arapahoe has matched the national popular winner in 5 of the last 7 presidential elections (71%), and Colorado's own statewide winner in 7 of 7 (100%).