Motion51
State Coverage  ›  New York  ›  Onondaga County
✓ Voter file loaded, ready to canvass

Onondaga County, New York

Live voter data for Onondaga County is loaded in Motion51. Set up your campaign, cut turf, and start knocking doors today. No data work required.

303,288
Active registered voters
164,917
Supervoters (54.38%)
5
Presidential cycles of results

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

Onondaga County, New York has 303,288 active registered voters — 26.9% Republican, 36.8% Democratic, and 30.3% with no party affiliation, as of June 2026.

Party registration

DEM 36.8%
REP 26.9%
NPA 30.3%
Democratic 111,596 · Republican 81,563 · No Party Affiliation 91,933 · Other parties 18,196
Source: Motion51 voter database — official New York voter file

How Onondaga County voted for president

59.3
38.9
2008
59.7
38.6
2012
53.6
40.8
2016
59.2
38.6
2020
58.6
41.4
2024
■ Democratic %   ■ Republican %  ·  2024 total votes cast: 227,071

Election results are public records.

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

Running in Onondaga County?

The voter file is loaded. Create your campaign and start canvassing in minutes.

Start free in Onondaga County

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