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Johnson County, Indiana

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120,522
Active registered voters
139
Precincts
5
Presidential cycles of results

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

Johnson County, Indiana has 120,522 active registered voters across 139 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 Johnson County voted for president

36.8
62.2
2008
29.8
68.2
2012
26.1
68.6
2016
31.9
66.0
2020
32.0
66.3
2024
■ Democratic %   ■ Republican %  ·  2024 total votes cast: 77,794

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 Johnson County · Pricing