10,177
Active registered voters
8
Precincts
5,312
Supervoters (52.2%)
5
Presidential cycles of results
Data as of September 22, 2026 · refreshed automatically from the official Colorado voter file
Alamosa County, CO has 10,177 active registered voters — 25.6% Republican, 25.1% Democratic, and 46.8% with no party affiliation, as of September 2026.
Party registration
Democratic 2,551 · Republican 2,610 · No Party Affiliation 4,766 · Other parties 250
Source: Motion51 voter database — official Colorado voter file
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 3066202008 | 826 | 546 | 66.1% |
| 2 | 3066202005 | 841 | 504 | 59.93% |
| 3 | 3066202003 | 1,744 | 986 | 56.54% |
| 4 | 3066202004 | 2,097 | 1,172 | 55.89% |
| 5 | 3066202002 | 699 | 370 | 52.93% |
| 6 | 3066202001 | 813 | 416 | 51.17% |
| 7 | 3066202006 | 1,119 | 468 | 41.82% |
| 8 | 3066202007 | 2,038 | 850 | 41.71% |
Supervoters are active registered voters who cast a ballot in at least 3 of the last 4 November general elections (2018–2024). Percentages are precinct totals from the official state voter file — no individual voter information is shown. Precincts with fewer than 400 active voters are excluded.
Source: Motion51 voter database — official Colorado voter file
How Alamosa County voted for president
■ Democratic % ■ Republican % · 2024 total votes cast: 7,519
Election results are public records.
Source: Official county canvasses via MIT Election Data + Science Lab
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