286,401
Active registered voters
210
Precincts
171,692
Supervoters (59.95%)
5
Presidential cycles of results
Data as of September 22, 2026 · refreshed automatically from the official Colorado voter file
Douglas County, CO has 286,401 active registered voters — 30.6% Republican, 16.6% Democratic, and 50.9% with no party affiliation, as of September 2026.
Party registration
Democratic 47,572 · Republican 87,725 · No Party Affiliation 145,788 · Other parties 5,316
Source: Motion51 voter database — official Colorado voter file
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 4304318218 | 1,063 | 847 | 79.68% |
| 2 | 4304318201 | 2,373 | 1,826 | 76.95% |
| 3 | 4304318273 | 808 | 616 | 76.24% |
| 4 | 4043918107 | 803 | 601 | 74.84% |
| 5 | 4304318214 | 697 | 521 | 74.75% |
| 6 | 4024418310 | 1,008 | 750 | 74.4% |
| 7 | 4043918405 | 1,727 | 1,264 | 73.19% |
| 8 | 4304318213 | 1,194 | 867 | 72.61% |
| 9 | 4043918401 | 1,336 | 969 | 72.53% |
| 10 | 4304518278 | 1,399 | 1,010 | 72.19% |
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 Douglas County voted for president
■ Democratic % ■ Republican % · 2024 total votes cast: 243,758
Election results are public records.
Source: Official county canvasses via MIT Election Data + Science Lab
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