Akashic
1892–2024
Akashic
Alamosa, CO
presidential margin
2008D+18.72012D+18.82016D+4.22020D+1.32024R+9.0
full record · 1892 → 2024
R+9.0
2024
median income$51,784U.S. $80,734 · CO $95,470
median age37.5U.S. 39.1 · CO 37.9
poverty rate16.2%U.S. 12.5% · CO 9.5%
bachelor’s+ (25+)29.6%U.S. 35.6% · CO 45.5%
non-english23.9%U.S. 22.3% · CO 16.2%
race · ethnicity · ancestry
Mexican28.8%
Spanish7.4%
Spaniard5.4%
German12.4%
English9.2%
Irish8.8%
Navajo0.7%
Oglala Sioux0.5%
African American†1.0%
Jamaican0.2%
religion
other traditions
Mainline1.3%
Other Christian0.9%
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents, unaffiliated is the unclaimed remainder.

Alamosa, CO, Colorado

Akashic
Alamosa, COTrumpR+9.0
—
2024 presidential margin by county for Alamosa, CO, COA map of the constituent counties of Alamosa, CO, CO, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), seated within the faint outlines of the surrounding states.Alamosa County, CO · R+10.8Conejos County, CO · R+17.8Costilla County, CO · D+14.7
How it voted
Share of the 2024 vote
Donald Trump ✓Republican53.0%7,265
Kamala HarrisDemocratic43.9%6,026
Robert F. Kennedy Jr.Independent3.1%423
D+60
R+60
3 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
County-level results (3 counties) — table
2024 presidential result by county for Alamosa, CO, CO — winner and D-vs-R margin.
CountyWinnerMargin
Alamosa County, CORepublicanR+10.8
Conejos County, CORepublicanR+17.8
Costilla County, CODemocraticD+14.7
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
43.9%Harris6,026
53.0%Trump7,265
3.1%Kennedy423
−9.0%
13,714
D
49.4%Biden7,029
48.1%Trump6,840
2.6%Jorgensen366
+1.3%
14,235
D
47.5%Clinton6,085
43.3%Trump5,548
9.2%Johnson1,176
+4.2%
12,809
D
58.2%Obama7,364
39.4%Romney4,986
2.4%Johnson303
+18.8%
12,653
D
58.4%Obama6,920
39.7%McCain4,703
2.0%Nader234
+18.7%
11,857
D
51.4%Kerry6,081
47.4%Bush5,609
1.3%Nader152
+4.0%
11,842
D
47.9%Gore5,258
46.8%Bush5,133
5.3%Nader587
+1.1%
10,978
D
53.5%Clinton5,224
36.0%Dole3,520
10.5%Perot1,026
+17.4%
9,770
D
48.9%Clinton4,813
31.5%Bush3,098
19.6%Perot1,924
+17.4%
9,835
D
53.4%Dukakis5,242
45.5%Bush4,466
1.0%Paul100
+7.9%
9,808
R
44.5%Mondale4,270
54.7%Reagan5,243
0.8%Bergland76
−10.1%
9,589
R
45.2%Carter4,360
48.6%Reagan4,687
6.2%Anderson596
−3.4%
9,643
D
50.3%Carter4,783
46.5%Ford4,417
3.2%McCarthy305
+3.9%
9,505
R
37.7%McGovern3,424
57.0%Nixon5,176
5.3%Schmitz480
−19.3%
9,080
R
46.5%Humphrey3,999
47.8%Nixon4,115
5.7%Wallace488
−1.3%
8,602
D
67.1%Johnson5,798
32.6%Goldwater2,818
0.3%Hass25
+34.5%
8,641
D
54.4%Kennedy5,231
44.5%Nixon4,275
1.1%Byrd104
+9.9%
9,610
R
37.4%Stevenson3,192
61.9%Eisenhower5,284
0.8%Andrews67
−24.5%
8,543
R
42.9%Stevenson4,605
55.8%Eisenhower5,992
1.3%Hallinan143
−12.9%
10,740
D
57.7%Truman6,194
41.0%Dewey4,403
1.3%Thurmond136
+16.7%
10,733
D
53.9%Roosevelt5,349
46.0%Dewey4,569
0.2%Thomas15
+7.9%
9,933
D
54.9%Roosevelt6,646
44.5%Willkie5,392
0.5%Thomas66
+10.4%
12,104
D
64.8%Roosevelt6,619
33.5%Landon3,423
1.7%Lemke171
+31.3%
10,213
D
65.2%Roosevelt6,257
33.4%Hoover3,203
1.5%Thomas140
+31.8%
9,600
D
49.9%Smith4,001
48.4%Hoover3,879
1.7%Thomas135
+1.5%
8,015
R
34.2%Davis2,285
48.5%Coolidge3,239
17.2%La Follette1,149
−14.3%
6,673
R
41.9%Cox2,585
56.0%Harding3,454
2.1%Debs128
−14.1%
6,167
D
65.4%Wilson4,057
32.1%Hughes1,995
2.5%Benson156
+33.2%
6,208
D
41.3%Wilson2,714
40.5%Taft2,659
18.2%Roosevelt1,193
+0.8%
6,566
R
40.1%Bryan1,894
59.0%Taft2,787
0.9%Debs41
−18.9%
4,722
R
32.1%Parker1,407
66.9%Roosevelt2,935
1.1%Debs47
−34.8%
4,389
R
33.1%Bryan1,365
66.4%McKinley2,737
0.5%Woolley20
−33.3%
4,122
D
87.7%Bryan3,440
12.0%McKinley470
0.3%Palmer12
+75.7%
3,922
R
0.0%Cleveland0
59.3%Harrison1,349
40.7%Weaver927
−59.3%
2,276
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1892 to 2024. Most recent: −9.0% in 2024.flipped R · 2024−9.0%DR18922024
Presidential margin over time
YearMargin (D minus R)
1892−59.3%
1896+75.7%
1900−33.3%
1904−34.8%
1908−18.9%
1912+0.8%
1916+33.2%
1920−14.1%
1924−14.3%
1928+1.5%
1932+31.8%
1936+31.3%
1940+10.4%
1944+7.9%
1948+16.7%
1952−12.9%
1956−24.5%
1960+9.9%
1964+34.5%
1968−1.3%
1972−19.3%
1976+3.9%
1980−3.4%
1984−10.1%
1988+7.9%
1992+17.4%
1996+17.4%
2000+1.1%
2004+4.0%
2008+18.7%
2012+18.8%
2016+4.2%
2020+1.3%
2024−9.0%
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
Voter registration in Alamosa, CORegistered voters by party of registration, 2016–2024. Latest total 21,601 in 2024.5.4K10.8K16.2K21.6K21.6K20162024
DemocraticRepublicanUnaffiliatedOther parties
Voter registration in Alamosa, CO
YearTotal registeredDemocraticRepublicanUnaffiliatedOther
201618,7488,2915,3834,809265
201818,7947,8295,2565,416293
202019,6347,6295,5016,182322
202220,6177,1005,4057,773339
202421,6016,6205,6208,894467
Source: Colorado Secretary of State

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

counties3
Alamosa CountyConejos CountyCostilla County

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.