62,472
Active registered voters
9
Precincts
29,819
Supervoters (47.73%)
5
Presidential cycles of results
Data as of June 10, 2026 · refreshed automatically from the official New York voter file
Jefferson County, New York has 62,472 active registered voters — 42.9% Republican, 23.5% Democratic, and 28.2% with no party affiliation, as of June 2026.
Party registration
Democratic 14,669 · Republican 26,799 · No Party Affiliation 17,621 · Other parties 3,383
Source: Motion51 voter database — official New York voter file
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 1 | 22,291 | 11,199 | 50.24% |
| 2 | 7 | 450 | 225 | 50.0% |
| 3 | 2 | 22,103 | 11,022 | 49.87% |
| 4 | 5 | 1,076 | 524 | 48.7% |
| 5 | 3 | 13,080 | 5,927 | 45.31% |
| 6 | 4 | 848 | 341 | 40.21% |
| 7 | 8 | 1,648 | 452 | 27.43% |
| 8 | 9 | 524 | 117 | 22.33% |
| 9 | 6 | 452 | 12 | 2.65% |
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 New York voter file
How Jefferson County voted for president
■ Democratic % ■ Republican % · 2024 total votes cast: 42,743
Election results are public records.
Source: Official county canvasses via MIT Election Data + Science Lab
Running in Jefferson County?
The voter file is loaded. Create your campaign and start canvassing in minutes.
Start free in Jefferson CountyAlso see: Motion51 in New York · Pricing