† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
3 counties by 2024 margin · County returns · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupAlamosa, COColoradoUnited States
Mexican28.8%15.8%11.3%
Spanish7.4%1.2%—
Spaniard5.4%1.0%—
Guatemalan1.9%—0.5%
Puerto Rican0.7%0.7%1.8%
Colombian0.2%0.3%0.4%
German12.4%17.9%12.5%
English9.2%12.6%9.5%
Irish8.8%11.2%9.4%
Italian2.9%4.9%4.8%
American2.4%3.5%5.3%
Portuguese1.6%——
Dutch1.3%——
Danish1.1%——
Navajo0.7%0.1%—
Oglala Sioux0.5%——
African American†1.0%2.8%9.9%
Jamaican0.2%—0.4%
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
Alamosa, CO
Colorado
United States
Median age
37.5
37.9
39.1
Age 18–24
11.2%
9.2%
9.2%
Age 65 and older
18.5%
15.5%
17.2%
Household economy
Measure
Alamosa, CO
Colorado
United States
Median household income
$51,784
$95,470
$84,427
Poverty rate
16.2%
9.5%
12.5%
Bachelor's degree or higher (25+)
29.6%
45.5%
35.6%
Languages at home
Measure
Alamosa, CO
Colorado
United States
Speaks a non-English language at home
23.9%
16.2%
22.3%
Spanish
21.6%
11.1%
13.6%
Religious landscape
Measure
Alamosa, CO
Colorado
United States
Catholic
17.9%
15.1%
18.6%
Evangelical Protestant
5.3%
11.7%
16.5%
Unclaimed / not counted
52.1%
64.7%
51.5%
Latter-day Saints
22.3%
2.6%
2.0%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
Alamosa, CO
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (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
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year.
Year
Won
Democratic
Republican
Other
Margin
Swing
vs U.S.
Total
R
43.9%Harris6,026
53.0%Trump7,265
3.1%
R+9.0
R+10.4
R+7.6
13,714
D
49.4%Biden7,029
48.1%Trump6,840
2.6%
D+1.3
R+2.9
R+3.1
14,235
D
47.5%Clinton6,085
43.3%Trump5,548
9.2%
D+4.2
R+14.6
D+2.1
12,809
D
58.2%Obama7,364
39.4%Romney4,986
2.4%
D+18.8
D+0.1
D+14.9
12,653
D
58.4%Obama6,920
39.7%McCain4,703
2.0%
D+18.7
D+14.7
D+11.4
11,857
D
51.4%Kerry6,081
47.4%Bush5,609
1.3%
D+4.0
D+2.8
D+6.4
11,842
D
47.9%Gore5,258
46.8%Bush5,133
5.3%
D+1.1
R+16.3
D+0.6
10,978
D
53.5%Clinton5,224
36.0%Dole3,520
10.5%
D+17.4
±0.0
D+8.9
9,770
D
48.9%Clinton4,813
31.5%Bush3,098
19.6%
D+17.4
D+9.5
D+11.9
9,835
D
53.4%Dukakis5,242
45.5%Bush4,466
1.0%
D+7.9
D+18.1
D+15.6
9,808
R
44.5%Mondale4,270
54.7%Reagan5,243
0.8%
R+10.1
R+6.8
D+8.1
9,589
R
45.2%Carter4,360
48.6%Reagan4,687
6.2%
R+3.4
R+7.2
D+6.3
9,643
D
50.3%Carter4,783
46.5%Ford4,417
3.2%
D+3.9
D+23.1
D+1.8
9,505
R
37.7%McGovern3,424
57.0%Nixon5,176
5.3%
R+19.3
R+17.9
D+3.9
9,080
R
46.5%Humphrey3,999
47.8%Nixon4,115
5.7%
R+1.3
R+35.8
R+0.7
8,602
D
67.1%Johnson5,798
32.6%Goldwater2,818
0.3%
D+34.5
D+24.5
D+11.9
8,641
D
54.4%Kennedy5,231
44.5%Nixon4,275
1.1%
D+9.9
D+34.4
D+9.8
9,610
R
37.4%Stevenson3,192
61.9%Eisenhower5,284
0.8%
R+24.5
R+11.6
R+9.1
8,543
R
42.9%Stevenson4,605
55.8%Eisenhower5,992
1.3%
R+12.9
R+29.6
R+2.2
10,740
D
57.7%Truman6,194
41.0%Dewey4,403
1.3%
D+16.7
D+8.8
D+12.2
10,733
D
53.9%Roosevelt5,349
46.0%Dewey4,569
0.2%
D+7.9
R+2.5
D+0.4
9,933
D
54.9%Roosevelt6,646
44.5%Willkie5,392
0.5%
D+10.4
R+20.9
D+0.4
12,104
D
64.8%Roosevelt6,619
33.5%Landon3,423
1.7%
D+31.3
R+0.5
D+7.0
10,213
D
65.2%Roosevelt6,257
33.4%Hoover3,203
1.5%
D+31.8
D+30.3
D+14.0
9,600
D
49.9%Smith4,001
48.4%Hoover3,879
1.7%
D+1.5
D+15.8
D+19.0
8,015
R
34.2%Davis2,285
48.5%Coolidge3,239
17.2%
R+14.3
R+0.2
D+10.9
6,673
R
41.9%Cox2,585
56.0%Harding3,454
2.1%
R+14.1
R+47.3
D+12.1
6,167
D
65.4%Wilson4,057
32.1%Hughes1,995
2.5%
D+33.2
D+32.4
D+30.1
6,208
D
41.3%Wilson2,714
40.5%Taft2,659
18.2%
D+0.8
D+19.7
R+18.7
6,566
R
40.1%Bryan1,894
59.0%Taft2,787
0.9%
R+18.9
D+15.9
R+9.4
4,722
R
32.1%Parker1,407
66.9%Roosevelt2,935
1.1%
R+34.8
R+1.5
R+15.1
4,389
R
33.1%Bryan1,365
66.4%McKinley2,737
0.5%
R+33.3
R+109.0
R+25.7
4,122
D
87.7%Bryan3,440
12.0%McKinley470
0.3%
D+75.7
D+135.0
D+81.8
3,922
R
0.0%Cleveland0
59.3%Harrison1,349
40.7%
R+59.3
—
R+60.9
2,276
Congressional elections · 2 Senate races
U.S. Senate
Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year
Won
Democratic
Republican
Total
2022
D
52.2%5,776
44.8%4,956
11,063
2020
D
49.9%7,022
48.0%6,756
14,063
voter registration
Registered voters
By party of registration, over time
Party registration · 2024D+4.6
vs
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
Voter registration in Alamosa, CO
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
Domestic migration in Alamosa, CO in Alamosa, CO: net domestic migration by year
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.
Akashic
Political twins — metros
The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
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 →
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Alamosa, CO, Colorado. Akashic. https://akashic.app/cbsa/10480/. Accessed May 20, 2026. License: CC BY 4.0.
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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.
