Alamosa, Colorado — Presidential Election Results
Alamosa, Colorado has voted Republican in 4 of the last 7 presidential elections on record (2000–2024). It most recently flipped to Republican in 2020. In 2024, it was 22.4 pts more Rep. 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 | 2,857 | 50.5% | 7.1 pts (402 votes) | 5,659 | — | 1.4 pts more Dem. |
| 2004 | George W. Bush | Republican | 3,179 | 50.7% | 2.6 pts (162 votes) | 6,269 | +5.0 pts | 2.1 pts more Dem. |
| 2008 | Barack Obama | Democratic | 3,521 | 56.0% | 14.1 pts (886 votes) | 6,286 | +17.0 pts | 5.3 pts more Dem. |
| 2012 | Barack Obama | Democratic | 3,811 | 56.8% | 16.5 pts (1,106 votes) | 6,715 | +2.6 pts | 11.5 pts more Dem. |
| 2016 | Hillary Clinton | Democratic | 3,189 | 46.0% | 2.1 pts (143 votes) | 6,939 | -14.7 pts | 3.1 pts more Rep. |
| 2020 | Donald J Trump | Republican | 3,813 | 48.8% | 0.7 pts (54 votes) | 7,808 | -3.0 pts | 14.6 pts more Rep. |
| 2024 | Donald J Trump | Republican | 4,057 | 54.0% | 10.8 pts (813 votes) | 7,519 | -10.4 pts | 22.4 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 | 14,954 | 37.8% of population |
| 2004 | 15,217 | 41.2% of population |
| 2008 | 15,300 | 41.1% of population |
| 2012 | 15,680 | 42.8% of population |
| 2016 | 16,053 | 43.2% of population |
| 2020 | 16,375 | 47.7% of population |
| 2024 | 16,689 | 45.1% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Alamosa shifted 3.6 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.
Bellwether Status
Alamosa has matched the national popular winner in 5 of the last 7 presidential elections (71%), and Colorado's own statewide winner in 5 of 7 (71%). Compare every county on the bellwether counties page.
Related Pages
Other Colorado Counties
Frequently Asked Questions
How has Alamosa voted in presidential elections since 2000?
Since 2000, Alamosa has voted Democratic in 3 of 7 recorded presidential elections and Republican in 4 of 7, based on county-level returns through 2024.
What was the closest presidential election in Alamosa?
Alamosa's closest recorded margin was in 2020, when Donald J Trump (Republican) won by 0.7 points (54 votes) out of 7,808 total votes cast.
Has Alamosa ever flipped between parties?
Yes. Alamosa changed which party won the county in: 2008, 2020, based on the 2000-2024 record on this page.
What is the largest presidential election margin recorded in Alamosa?
The widest margin on record for Alamosa was in 2012, when Barack Obama (Democratic) won by 17.0 points.
How many votes were cast in Alamosa relative to its population?
In 2024, 7,519 votes were recorded in Alamosa against a total population of 16,689 (45.1% 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 Alamosa a presidential bellwether county?
Alamosa has matched the national popular winner in 5 of the last 7 presidential elections (71%), and Colorado's own statewide winner in 5 of 7 (71%).