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Cortland County, New York

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28,859
Active registered voters
15,528
Supervoters (53.81%)
5
Presidential cycles of results

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

Cortland County, New York has 28,859 active registered voters — 37.0% Republican, 29.1% Democratic, and 27.6% with no party affiliation, as of June 2026.

Party registration

DEM 29.1%
REP 37.0%
NPA 27.6%
Democratic 8,404 · Republican 10,675 · No Party Affiliation 7,958 · Other parties 1,822
Source: Motion51 voter database — official New York voter file

How Cortland County voted for president

54.1
44.2
2008
53.4
44.6
2012
43.3
50.0
2016
47.8
49.8
2020
46.8
53.2
2024
■ Democratic %   ■ Republican %  ·  2024 total votes cast: 21,996

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 Cortland County · Pricing