3,266
Active registered voters
6
Precincts
2,229
Supervoters (68.25%)
5
Presidential cycles of results
Data as of September 22, 2026 · refreshed automatically from the official Colorado voter file
Washington County, CO has 3,266 active registered voters — 62.0% Republican, 5.3% Democratic, and 31.4% with no party affiliation, as of September 2026.
Party registration
Democratic 172 · Republican 2,025 · No Party Affiliation 1,024 · Other parties 45
Source: Motion51 voter database — official Colorado voter file
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 4016361002 | 1,694 | 1,147 | 67.71% |
| 2 | 4016361004 | 639 | 431 | 67.45% |
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 Washington County voted for president
■ Democratic % ■ Republican % · 2024 total votes cast: 2,806
Election results are public records.
Source: Official county canvasses via MIT Election Data + Science Lab
Running in Washington County?
The voter file is loaded. Create your campaign and start canvassing in minutes.
Start free in Washington CountyAlso see: Motion51 in Colorado · Pricing