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Hamilton County, Indiana

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287,472
Active registered voters
234
Precincts
5
Presidential cycles of results

Data as of August 26, 2026 · refreshed automatically from the official Indiana voter file

Hamilton County, Indiana has 287,472 active registered voters across 234 precincts, as of August 2026.

Party registration

Indiana doesn't register voters by party, so there's no party breakdown to show. Party lean is usually inferred from primary participation; that data is in the voter file and available inside Motion51.

How Hamilton County voted for president

38.5
60.7
2008
32.0
66.3
2012
37.2
56.8
2016
45.6
52.4
2020
46.0
52.1
2024
■ Democratic %   ■ Republican %  ·  2024 total votes cast: 196,441

Election results are public records.

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

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Also see: Motion51 in Indiana · How to run for office in Hamilton County · Pricing