Name: Cassia County, Idaho voter registration and turnout statistics
Creator: Motion51

10,426

Active registered voters

Precincts

2,500

Supervoters (23.98%)

Presidential cycles of results

Voter file loaded July 20, 2026 · figures are from that file, held as a fixed record

Cassia County, Idaho has 10,426 active registered voters — 77.7% Republican, 5.5% Democratic, and 0.0% with no party affiliation, as of July 2026.

Party registration

REP 77.7%

Other 16.8%

Democratic 576 · Republican 8,103 · No Party Affiliation 0 · Other parties 1,747

Source: Motion51 voter database — official Idaho voter file

Most reliable-voting precincts

#	Precinct	Active voters	Supervoters	Supervoter %
1	104	909	259	28.49%
2	112	793	214	26.99%
3	123	635	167	26.3%
4	121	722	179	24.79%
5	103	652	159	24.39%
6	106	716	161	22.49%
7	120	686	147	21.43%
8	105	716	151	21.09%
9	110	915	159	17.38%
10	101	523	77	14.72%

Supervoters are active registered voters who cast a ballot in at least 3 of the last 4 November general elections (2018–2024). Percentages are precinct totals from the official state voter file — no individual voter information is shown. Precincts with fewer than 400 active voters are excluded.

Source: Motion51 voter database — official Idaho voter file

How Cassia County voted for president

17.0

80.5

2008

13.0

85.3

2012

12.7

72.7

2016

15.2

82.1

2020

14.2

83.3

2024

■ Democratic % ■ Republican % · 2024 total votes cast: 9,557

Election results are public records.

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

Running in Cassia County?

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

Start free in Cassia County

Also see: Motion51 in Idaho · How to run for office in Cassia County · Pricing