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Herkimer County, New York

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40,038
Active registered voters
21,323
Supervoters (53.26%)
5
Presidential cycles of results

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

Herkimer County, New York has 40,038 active registered voters — 48.1% Republican, 21.5% Democratic, and 23.3% with no party affiliation, as of June 2026.

Party registration

DEM 21.5%
REP 48.1%
NPA 23.3%
Democratic 8,597 · Republican 19,276 · No Party Affiliation 9,333 · Other parties 2,832
Source: Motion51 voter database — official New York voter file

How Herkimer County voted for president

44.5
53.8
2008
44.8
53.2
2012
30.0
64.6
2016
33.9
64.4
2020
31.8
68.2
2024
■ Democratic %   ■ Republican %  ·  2024 total votes cast: 28,667

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 Herkimer County · Pricing