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Lewis County, New York

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17,689
Active registered voters
9,790
Supervoters (55.35%)
5
Presidential cycles of results

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

Lewis County, New York has 17,689 active registered voters — 54.9% Republican, 18.8% Democratic, and 19.8% with no party affiliation, as of June 2026.

Party registration

DEM 18.8%
REP 54.9%
NPA 19.8%
Democratic 3,330 · Republican 9,718 · No Party Affiliation 3,509 · Other parties 1,132
Source: Motion51 voter database — official New York voter file

How Lewis County voted for president

44.8
53.6
2008
45.0
53.6
2012
27.4
67.1
2016
29.5
68.7
2020
27.8
72.2
2024
■ Democratic %   ■ Republican %  ·  2024 total votes cast: 12,953

Election results are public records.

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

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