Alamosa County, Colorado: Florida Surge county. In 2024, voted R+11%. Democratic peak: D+44 in 1916.
Key facts
- 2024 presidential margin
- R+11MIT Election Lab
- Political typology
- Florida SurgeAkashic typology
- Population
- 16,5812024 5-year
- Median household income
- $55,3972024 5-year
- White (non-Hispanic)
- 57.8%2024 5-year
- Black
- 1.9%2024 5-year
- Hispanic / Latino
- 48.2%2024 5-year
- Peak Democratic margin
- D+44 in 1916MIT Election Lab
- Peak Republican margin
- R+29 in 1972MIT Election Lab
- Most similar
- Jasper County, MS · similarity 0.89
2024 results by precinct
2024 precinct map of Alamosa CountyPrecinct-level 2024 presidential results for Alamosa County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | No data |
| 1896 | No data |
| 1900 | No data |
| 1904 | No data |
| 1908 | No data |
| 1912 | No data |
| 1916 | +43.9% |
| 1920 | −6.3% |
| 1924 | −15.4% |
| 1928 | −17.2% |
| 1932 | +23.6% |
| 1936 | +39.2% |
| 1940 | +4.7% |
| 1944 | −3.4% |
| 1948 | +10.2% |
| 1952 | −25.1% |
| 1956 | −24.9% |
| 1960 | −11.3% |
| 1964 | +25.0% |
| 1968 | −17.0% |
| 1972 | −29.5% |
| 1976 | −11.3% |
| 1980 | −16.2% |
| 1984 | −26.2% |
| 1988 | −8.8% |
| 1992 | +7.7% |
| 1996 | +5.9% |
| 2000 | −7.1% |
| 2004 | −2.6% |
| 2008 | +14.1% |
| 2012 | +16.5% |
| 2016 | +2.1% |
| 2020 | −0.7% |
| 2024 | −10.8% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 3,244 | 4,057 | 7,529 | ||
| R | 3,759 | 3,813 | 7,808 | ||
| D | 3,189 | 3,046 | 6,939 | ||
| D | 3,811 | 2,705 | 6,715 | ||
| D | 3,521 | 2,635 | 6,286 | ||
| R | 3,017 | 3,179 | 6,279 | ||
| R | 2,455 | 2,857 | 5,659 | ||
| D | 2,330 | 2,038 | 4,943 | ||
| D | 1,928 | 1,572 | 4,617 | ||
| R | 2,146 | 2,567 | 4,780 | ||
| R | 1,720 | 2,953 | 4,711 | ||
| R | 1,821 | 2,601 | 4,828 | ||
| R | 2,052 | 2,599 | 4,857 | ||
| R | 1,540 | 2,916 | 4,665 | ||
| R | 1,574 | 2,277 | 4,140 | ||
| D | 2,481 | 1,488 | 3,976 | ||
| R | 1,811 | 2,271 | 4,086 | ||
| R | 1,465 | 2,442 | 3,918 | ||
| R | 1,626 | 2,728 | 4,391 | ||
| D | 2,395 | 1,950 | 4,374 | ||
| R | 1,806 | 1,933 | 3,749 | ||
| D | 2,467 | 2,243 | 4,733 | ||
| D | 2,754 | 1,188 | 3,999 | ||
| D | 2,141 | 1,306 | 3,534 | ||
| R | 1,239 | 1,759 | 3,021 | ||
| R | 625 | 1,009 | 2,486 | ||
| R | 949 | 1,081 | 2,084 | ||
| D | 1,308 | 488 | 1,866 | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — |
Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
12.3%
Irish
9.5%
English
8.6%
Italian
3.1%
American
2.5%
French
1.4%
Scottish
1.1%
African American
1.5%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 33.2 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$55,397
Alamosa County ranks in the bottom 25% of US counties.
Alamosa County$55,397
Colorado$95,470
United States$80,734
Alamosa County ranks in the bottom 25% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
17.2%
Children face moderate poverty.
Children under 1817.6%
Working age (18–64)17.6%
Seniors (65+)11.5%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
78.8%
speak English only
Spanish19.1%
Asian & Pacific Islander1.2%
Other Indo-European0.5%
Other languages0.4%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 61.5% of residents not counted as adherents by any reporting body.
Alamosa County anchors Colorado's high-altitude San Luis Valley, where a majority-Hispanic population has historically leaned Democratic but shifted toward Republicans by double digits in the 2024 presidential race.
The Democratic margin here once reached forty-four points in 1916. Between 2020 and 2024 the county moved ten points toward the Republican candidate; the 2024 margin was eleven points.
A population of 16,581, a 58% non-Hispanic-white share, and a median household income of $55,397 describe the county. The county's voting pattern over the last decade is most similar to that of Jasper County and Richland County.
Most similar counties
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 County, Colorado. Akashic. https://akashic.app/county/08003/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More florida surge counties
Frequently asked questions
How did Alamosa County, Colorado vote in 2024?
In 2024, Alamosa County, Colorado voted Republican by 10.8 points (R+11), carried by the Republican candidate. Out of 7,529 votes cast, 3,244 went Democratic and 4,057 went Republican.
What is Alamosa County, Colorado's political typology?
Akashic places Alamosa County, Colorado in the "Florida Surge" typology — Florida coastal and retiree counties that moved sharply Republican across the Trump era. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 11 times, Republican 17 times, and other 0 times.
When did Alamosa County, Colorado last vote Democratic?
The most recent presidential election in which Alamosa County, Colorado voted Democratic was 2016.
How many people live in Alamosa County, Colorado?
Alamosa County, Colorado has a population of 16,581 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Alamosa County, Colorado?
Median household income in Alamosa County, Colorado is $55,397 — below the national median of $80,734. The Colorado state median is $95,470.
What is the political history of Alamosa County, Colorado?
Akashic tracks 38 presidential elections in Alamosa County, Colorado from 1876 to 2024. Of those, 11 went Democratic and 17 went Republican. The county's typology — "Florida Surge" — captures where that record, its demographics, and its recent swing place it among American communities.