HarrisDemocratic43.9%6,026TrumpRepublican53.0%7,265OtherAll other candidates3.1%423
R+9.0- Lead
- 1,239
- Total
- 13,714
- vs nation
- R+7.6
Akashicmetro area
Alamosa, CO
Office (updates table and map)
President margin by year
Place winner margin
3 counties by 2024 margin · County returns · MIT Election Lab
President results by year
Vote totals, margins, and source status
BidenDemocratic49.4%7,029TrumpRepublican48.1%6,840OtherAll other candidates2.6%366
D+1.3- Lead
- 189
- Total
- 14,235
- vs nation
- R+3.1
ClintonDemocratic47.5%6,085TrumpRepublican43.3%5,548OtherAll other candidates9.2%1,176
D+4.2- Lead
- 537
- Total
- 12,809
- vs nation
- D+2.1
ObamaDemocratic58.2%7,364RomneyRepublican39.4%4,986OtherAll other candidates2.4%303
D+18.8- Lead
- 2,378
- Total
- 12,653
- vs nation
- D+14.9
ObamaDemocratic58.4%6,920McCainRepublican39.7%4,703OtherAll other candidates2.0%234
D+18.7- Lead
- 2,217
- Total
- 11,857
- vs nation
- D+11.4
KerryDemocratic51.4%6,081BushRepublican47.4%5,609OtherAll other candidates1.3%152
D+4.0- Lead
- 472
- Total
- 11,842
- vs nation
- D+6.4
GoreDemocratic47.9%5,258BushRepublican46.8%5,133OtherAll other candidates5.3%587
D+1.1- Lead
- 125
- Total
- 10,978
- vs nation
- D+0.6
ClintonDemocratic53.5%5,224DoleRepublican36.0%3,520OtherAll other candidates10.5%1,026
D+17.4- Lead
- 1,704
- Total
- 9,770
- vs nation
- D+8.9
Key facts
- 2024 presidential margin
- R+9.0MIT Election Lab
- Population
- 27,7182024 5-year
- Population density
- 8.6 / sq mi2024 5-year · TIGER/Line
- Land area
- 3,238 sq miTIGER/Line
- Median household income
- $51,7842024 5-year
- White (non-Hispanic)
- 44.4%2024 5-year
- Black
- 1.3%2024 5-year
- Hispanic / Latino
- 49.5%2024 5-year
- Peak Democratic margin
- D+75.7 in 1896MIT Election Lab
- Peak Republican margin
- R+59.3 in 1892MIT Election Lab
- Most similar
- Raymondville, TX · twin score 91.0
presidential history
Party record book
Alamosa, CO · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 · 34 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
William J. Bryan1896
87.7%
3,440 votes · D+75.7
Runner-up · Lyndon B. Johnson, 1964 · 67.1%
Republican
Theodore Roosevelt1904
66.9%
2,935 votes · R+34.8
Runner-up · William McKinley, 1900 · 66.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2012
7,364votes
58.2% of the vote · D+18.8
Runner-up · Joe Biden, 2020 · 7,029 votes
Republican
Donald Trump2024
7,265votes
53.0% of the vote · R+9.0
Runner-up · Donald Trump, 2020 · 6,840 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
William J. Bryan1896
+81.8pts D vs U.S.
Place D+75.7 · U.S. R+6.1
Runner-up · Woodrow Wilson, 1916 · +30.1 pts
Republican
Benjamin Harrison1892
+60.9pts R vs U.S.
Place R+59.3 · U.S. D+1.7
Runner-up · William McKinley, 1900 · +25.7 pts
U.S. House elections · 3 House
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
voter registration
Registered voters
By party of registration, over time
Party registration · 2024D+4.6
Presidential vote · 2024R+9.0
Alamosa, CO registers Democratic but votes Republican — a 14-point gap between how voters register and how they vote, the signature of ancestral registration that trails realignment.
DemocraticRepublicanUnaffiliatedOther parties
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2016 | 18,748 | 8,291 | 5,383 | 4,809 | 265 |
| 2018 | 18,794 | 7,829 | 5,256 | 5,416 | 293 |
| 2020 | 19,634 | 7,629 | 5,501 | 6,182 | 322 |
| 2022 | 20,617 | 7,100 | 5,405 | 7,773 | 339 |
| 2024 | 21,601 | 6,620 | 5,620 | 8,894 | 467 |
domestic migration
Who moves in and out
Net domestic migration over time
+38 net domestic migration · 2025
20112025
Net +572 over 2011–2025 · gain loss
| Year | Net domestic migration |
|---|---|
| 2011 | +127 |
| 2012 | −239 |
| 2013 | −78 |
| 2014 | −91 |
| 2015 | −171 |
| 2016 | +200 |
| 2017 | +139 |
| 2018 | +122 |
| 2019 | −20 |
| 2021 | +415 |
| 2022 | +42 |
| 2023 | +12 |
| 2024 | +76 |
| 2025 | +38 |
Alamosa sits at the center of a high-altitude agricultural basin where Latino residents make up a majority of the population, shaping a competitive but historically Democratic-leaning electorate in statewide races.
Across the recorded series it reached a Democratic high of 75.7 points in 1896 and a Republican high of 59.3 points in 1892. Between 2020 and 2024 the metro moved 10.4 points toward the Republican candidate; the 2024 margin was 9.0 points.
A population of 27,718, a 44% non-Hispanic-white share, and a median household income of $51,784 describe the metro. The metro's voting pattern over the last decade is most similar to that of Raymondville, TX and Zapata, TX.
Political twins — metros
The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Raymondville, TX
91.0twin score
2004–2012 trajectory% Evangelical≠ elasticity
Zapata, TX
87.8twin score
2004–2012 trajectory% Evangelical≠ 12-yr trend
Rio Grande City-Roma, TX
86.4twin score
2020 margin% Evangelicalelasticity≠ 2000 margin
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Alamosa, CO, Colorado. Akashic. https://akashic.app/cbsa/10480/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within Alamosa, CO
Frequently asked questions
How did Alamosa, CO, Colorado vote in 2024?
In 2024, Alamosa, CO, Colorado voted Republican by 9.0 points (R+9.0), carried by the Republican candidate. Out of 13,714 votes cast, 6,026 went Democratic and 7,265 went Republican.
When did Alamosa, CO, Colorado last vote Democratic?
The most recent presidential election in which Alamosa, CO, Colorado voted Democratic was 2020.
How many people live in Alamosa, CO, Colorado?
Alamosa, CO, Colorado has a population of 27,718 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Alamosa, CO, Colorado?
Median household income in Alamosa, CO, Colorado is $51,784 — below the national median of $80,734. The Colorado state median is $95,470.
What is the political history of Alamosa, CO, Colorado?
Akashic tracks 34 presidential elections in Alamosa, CO, Colorado from 1892 to 2024. Of those, 21 went Democratic and 13 went Republican.