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Niagara County, New York

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143,720
Active registered voters
74,318
Supervoters (51.71%)
5
Presidential cycles of results

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

Niagara County, New York has 143,720 active registered voters — 34.7% Republican, 33.6% Democratic, and 23.4% with no party affiliation, as of June 2026.

Party registration

DEM 33.6%
REP 34.7%
NPA 23.4%
Other 8.3%
Democratic 48,332 · Republican 49,828 · No Party Affiliation 33,682 · Other parties 11,878
Source: Motion51 voter database — official New York voter file

How Niagara County voted for president

49.7
48.6
2008
49.4
48.8
2012
38.2
57.2
2016
44.2
53.9
2020
42.5
57.5
2024
■ Democratic %   ■ Republican %  ·  2024 total votes cast: 102,116

Election results are public records.

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

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