Voter Registration Totals as of May 4, 2020
| Cong. Dist. |
Total Registered |
| 1 |
480,292 |
| 2 |
421,542 |
| Total |
901,834 |
| Leg. Dist. |
Total Registered |
| 1 |
30,693 |
| 2 |
31,561 |
| 3 |
28,332 |
| 4 |
28,597 |
| 5 |
28,990 |
| 6 |
24,061 |
| 7 |
25,434 |
| 8 |
30,834 |
| 9 |
23,842 |
| 10 |
19,521 |
| 11 |
26,474 |
| 12 |
22,199 |
| 13 |
23,849 |
| 14 |
40,896 |
| 15 |
25,142 |
| 16 |
27,305 |
| 17 |
24,610 |
| 18 |
31,458 |
| 19 |
34,080 |
| 20 |
28,502 |
| 21 |
31,922 |
| 22 |
24,554 |
| 23 |
19,337 |
| 24 |
21,571 |
| 25 |
20,970 |
| 26 |
23,200 |
| 27 |
17,720 |
| 28 |
24,639 |
| 29 |
21,898 |
| 30 |
26,258 |
| 31 |
20,781 |
| 32 |
26,178 |
| 33 |
20,839 |
| 34 |
22,694 |
| 35 |
22,893 |
| Total |
901,834 |
| County |
Total Registered |
| Ada |
268,469 |
| Adams |
2,733 |
| Bannock |
43,133 |
| Bear Lake |
3,437 |
| Benewah |
5,411 |
| Bingham |
20,781 |
| Blaine |
13,973 |
| Boise |
5,157 |
| Bonner |
27,891 |
| Bonneville |
54,748 |
| Boundary |
6,582 |
| Butte |
1,456 |
| Camas |
741 |
| Canyon |
96,242 |
| Caribou |
3,789 |
| Cassia |
9,749 |
| Clark |
387 |
| Clearwater |
4,590 |
| Custer |
2,881 |
| Elmore |
11,189 |
| Franklin |
6,507 |
| Fremont |
6,924 |
| Gem |
10,180 |
| Gooding |
6,314 |
| Idaho |
10,221 |
| Jefferson |
14,126 |
| Jerome |
8,277 |
| Kootenai |
88,490 |
| Latah |
23,579 |
| Lemhi |
5,358 |
| Lewis |
2,103 |
| Lincoln |
2,172 |
| Madison |
18,187 |
| Minidoka |
7,971 |
| Nez Perce |
21,958 |
| Oneida |
2,696 |
| Owyhee |
5,305 |
| Payette |
11,436 |
| Power |
3,404 |
| Shoshone |
6,843 |
| Teton |
6,605 |
| Twin Falls |
37,107 |
| Valley |
7,258 |
| Washington |
5,474 |
| Total |
901,834 |