## Important dates for 2026 Idaho Primary Election

There may be additional rules or exceptions to the deadlines shown. Please see voting information below for more details.

### Registering to Vote

- Online applications must be submitted by May 8, 2026
- In-person applications must be submitted by May 19, 2026
- Mail-in applications must be received by May 8, 2026
- Same-day registration is available on Election Day, May 19, 2026

### Requesting an Absentee Ballot

- Absentee ballots may be requested in person until May 8, 2026
- Mail-in requests must be received by May 8, 2026

### Voting

- Mail-in ballots must be received by May 19, 2026
- Election Day is May 19, 2026

## Recent elections

- ### [2024 Idaho General Election](https://www.ballotready.org/elections/idaho-general-election-8e3b18a0-36f8-4918-9116-ef232504921a)
  Idaho General Election was held on Tuesday, November 5, 2024.

- ### [2024 Idaho Democratic Presidential Caucus](https://www.ballotready.org/elections/idaho-democratic-presidential-caucus)
  Idaho Democratic Presidential Caucus was held on Thursday, May 23, 2024.

- ### [2024 Idaho Primary Election](https://www.ballotready.org/elections/idaho-primary-election-c7f2a9c8-7f45-4083-bf9f-0fb3369de785)
  Idaho Primary Election was held on Tuesday, May 21, 2024.

- ### [2024 Idaho Republican Presidential Caucus](https://www.ballotready.org/elections/idaho-partisan-primary-election)
  Idaho Republican Presidential Caucus was held on Saturday, March 2, 2024.

- ### [2022 Idaho General Election](https://www.ballotready.org/elections/idaho-2022-general-election)
  Idaho General Election was held on Tuesday, November 8, 2022.

- ### [2022 Idaho Primary Election](https://www.ballotready.org/elections/idaho-primary-election-efb78255-19c4-4a20-9490-7893efdc7a04)
  Idaho Primary Election was held on Tuesday, May 17, 2022.

- ### [2020 Idaho General Election](https://www.ballotready.org/elections/idaho-2020-general-election)
  Idaho General Election was held on Tuesday, November 3, 2020.

- ### [2020 Idaho Primary Election](https://www.ballotready.org/elections/idaho-primary-election)
  Idaho Primary Election was held on Tuesday, June 2, 2020.

- ### [2020 Idaho Presidential Primary Election](https://www.ballotready.org/elections/idaho-presidential-primary-election)
  Idaho Presidential Primary Election was held on Tuesday, March 10, 2020.

- ### [2018 Idaho General Election](https://www.ballotready.org/elections/idaho-2018-general-election)
  Idaho 2018 General Election was held on Tuesday, November 6, 2018.

## Counties in Idaho

1. [Ada County](https://www.ballotready.org/us/id-ada-county)
2. [Adams County](https://www.ballotready.org/us/id-adams-county)
3. [Bannock County](https://www.ballotready.org/us/id-bannock-county)
4. [Bear Lake County](https://www.ballotready.org/us/id-bear-lake-county)
5. [Benewah County](https://www.ballotready.org/us/id-benewah-county)
6. [Bingham County](https://www.ballotready.org/us/id-bingham-county)
7. [Blaine County](https://www.ballotready.org/us/id-blaine-county)
8. [Boise County](https://www.ballotready.org/us/id-boise-county)
9. [Bonner County](https://www.ballotready.org/us/id-bonner-county)
10. [Bonneville County](https://www.ballotready.org/us/id-bonneville-county)
11. [Boundary County](https://www.ballotready.org/us/id-boundary-county)
12. [Butte County](https://www.ballotready.org/us/id-butte-county)
13. [Camas County](https://www.ballotready.org/us/id-camas-county)
14. [Canyon County](https://www.ballotready.org/us/id-canyon-county)
15. [Caribou County](https://www.ballotready.org/us/id-caribou-county)
16. [Cassia County](https://www.ballotready.org/us/id-cassia-county)
17. [Clark County](https://www.ballotready.org/us/id-clark-county)
18. [Clearwater County](https://www.ballotready.org/us/id-clearwater-county)
19. [Custer County](https://www.ballotready.org/us/id-custer-county)
20. [Elmore County](https://www.ballotready.org/us/id-elmore-county)
21. [Franklin County](https://www.ballotready.org/us/id-franklin-county)
22. [Fremont County](https://www.ballotready.org/us/id-fremont-county)
23. [Gem County](https://www.ballotready.org/us/id-gem-county)
24. [Gooding County](https://www.ballotready.org/us/id-gooding-county)
25. [Idaho County](https://www.ballotready.org/us/id-idaho-county)
26. [Jefferson County](https://www.ballotready.org/us/id-jefferson-county)
27. [Jerome County](https://www.ballotready.org/us/id-jerome-county)
28. [Kootenai County](https://www.ballotready.org/us/id-kootenai-county)
29. [Latah County](https://www.ballotready.org/us/id-latah-county)
30. [Lemhi County](https://www.ballotready.org/us/id-lemhi-county)
31. [Lewis County](https://www.ballotready.org/us/id-lewis-county)
32. [Lincoln County](https://www.ballotready.org/us/id-lincoln-county)
33. [Madison County](https://www.ballotready.org/us/id-madison-county)
34. [Minidoka County](https://www.ballotready.org/us/id-minidoka-county)
35. [Nez Perce County](https://www.ballotready.org/us/id-nez-perce-county)
36. [Oneida County](https://www.ballotready.org/us/id-oneida-county)
37. [Owyhee County](https://www.ballotready.org/us/id-owyhee-county)
38. [Payette County](https://www.ballotready.org/us/id-payette-county)
39. [Power County](https://www.ballotready.org/us/id-power-county)
40. [Shoshone County](https://www.ballotready.org/us/id-shoshone-county)
41. [Teton County](https://www.ballotready.org/us/id-teton-county)
42. [Twin Falls County](https://www.ballotready.org/us/id-twin-falls-county)
43. [Valley County](https://www.ballotready.org/us/id-valley-county)
44. [Washington County](https://www.ballotready.org/us/id-washington-county)