Alamosa County, Colorado
Precinct data
Results by precinct
16 precincts · 7,529 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -30662020043066202004 | 590 | 907 | 40 | 1,537 | 38.4% | 59.0% | R+20.6 |
|---|---|---|---|---|---|---|---|
| Precinct -30662020033066202003 | 627 | 680 | 58 | 1,365 | 45.9% | 49.8% | R+3.9 |
| Precinct -30662020073066202007 | 568 | 745 | 34 | 1,347 | 42.2% | 55.3% | R+13.1 |
| Precinct -30662020083066202008 | 203 | 497 | 14 | 714 | 28.4% | 69.6% | R+41.2 |
| Precinct -30662020063066202006 | 366 | 285 | 32 | 683 | 53.6% | 41.7% | D+11.9 |
| Precinct -30662020053066202005 | 188 | 469 | 15 | 672 | 28.0% | 69.8% | R+41.8 |
| Precinct -30662020013066202001 | 378 | 234 | 18 | 630 | 60.0% | 37.1% | D+22.9 |
| Precinct -30662020023066202002 | 324 | 240 | 17 | 581 | 55.8% | 41.3% | D+14.5 |
| Alamosa 108_0800302001 | 0 | 0 | 0 | 0 | — | — | Even |
| Alamosa 208_0800302002 | 0 | 0 | 0 | 0 | — | — | Even |
| Alamosa 308_0800302003 | 0 | 0 | 0 | 0 | — | — | Even |
| Alamosa 408_0800302004 | 0 | 0 | 0 | 0 | — | — | Even |
| Alamosa 508_0800302005 | 0 | 0 | 0 | 0 | — | — | Even |
| Alamosa 608_0800302006 | 0 | 0 | 0 | 0 | — | — | Even |
| Alamosa 708_0800302007 | 0 | 0 | 0 | 0 | — | — | Even |
| Alamosa 808_0800302008 | 0 | 0 | 0 | 0 | — | — | Even |
Presidential margin, 1916–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 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% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | D | 50.6%2,999 | 46.1%2,734 | 5,930 |
| 2020 | R | 48.4%3,734 | 49.3%3,800 | 7,707 |
Registered voters
By party of registration, over time
Alamosa County, CO registers Democratic but votes Republican — a 11-point gap between how voters register and how they vote, the signature of ancestral registration that trails realignment.
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2016 | 10,056 | 3,776 | 2,882 | 3,226 | 172 |
| 2018 | 10,429 | 3,674 | 2,912 | 3,644 | 199 |
| 2020 | 10,993 | 3,622 | 3,050 | 4,110 | 211 |
| 2022 | 11,558 | 3,320 | 2,980 | 5,044 | 214 |
| 2024 | 12,081 | 3,107 | 3,075 | 5,610 | 289 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
−15 net domestic migration · 2025
Net +120 over 2011–2025 · gain loss
Arrivals reported $48,660 in average income, against $64,084 for residents who stayed — 24% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+8.2 on average — 2.6 points more Democratic-leaning than Alamosa County, CO itself (R+10.8).
Where arrivals came from lean of each source
- Rio Grande County, CO87R+23.2
- Conejos County, CO51R+17.8
- El Paso County, CO27R+9.8
- Costilla County, CO21D+14.7
- Denver County, CO21D+56.1
Where departures went households, 2022–23
- Rio Grande County, CO58
- Conejos County, CO48
- El Paso County, CO26
- Costilla County, CO22
Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.
| Year | Net domestic migration |
|---|---|
| 2011 | +85 |
| 2012 | −117 |
| 2013 | +35 |
| 2014 | −95 |
| 2015 | +9 |
| 2016 | +98 |
| 2017 | +11 |
| 2018 | +50 |
| 2019 | −93 |
| 2021 | +157 |
| 2022 | −2 |
| 2023 | +35 |
| 2024 | −38 |
| 2025 | −15 |
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.
Across the recorded series it reached a Democratic high of 43.9 points in 1916 and a Republican high of 29.5 points in 1972. Between 2020 and 2024 the county moved 10.1 points toward the Republican candidate; the 2024 margin was 10.8 points.
A population of 16,581, a 45% 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 Willacy County and Frio County.
The counties 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.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
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 →
Alamosa County, Colorado. Akashic. https://akashic.app/county/08003/. Accessed May 20, 2026. License: CC BY 4.0.