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Oswego County, New York

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75,698
Active registered voters
38,875
Supervoters (51.36%)
5
Presidential cycles of results

Data as of June 19, 2026 · refreshed automatically from the official New York voter file

Oswego County, New York has 75,698 active registered voters — 45.8% Republican, 21.6% Democratic, and 25.5% with no party affiliation, as of June 2026.

Party registration

DEM 21.6%
REP 45.8%
NPA 25.5%
Democratic 16,327 · Republican 34,693 · No Party Affiliation 19,315 · Other parties 5,363
Source: Motion51 voter database — official New York voter file

How Oswego County voted for president

50.2
47.8
2008
52.8
45.0
2012
35.4
58.6
2016
38.8
59.0
2020
37.9
62.1
2024
■ Democratic %   ■ Republican %  ·  2024 total votes cast: 54,031

Election results are public records.

Source:  Official county canvasses via MIT Election Data + Science Lab

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Also see: Motion51 in New York · How to run for office in Oswego County · Pricing