Voter Registration Totals as of July 3, 2019
| Cong. Dist. |
Total Registered |
| 1 |
451,884 |
| 2 |
404,307 |
| Total |
856,191 |
| Leg. Dist. |
Total Registered |
| 1 |
29,030 |
| 2 |
29,566 |
| 3 |
25,877 |
| 4 |
26,787 |
| 5 |
27,708 |
| 6 |
23,255 |
| 7 |
24,211 |
| 8 |
29,327 |
| 9 |
22,794 |
| 10 |
18,439 |
| 11 |
24,966 |
| 12 |
20,942 |
| 13 |
22,409 |
| 14 |
37,288 |
| 15 |
24,174 |
| 16 |
25,991 |
| 17 |
23,055 |
| 18 |
29,742 |
| 19 |
32,159 |
| 20 |
27,013 |
| 21 |
29,877 |
| 22 |
22,932 |
| 23 |
18,443 |
| 24 |
20,505 |
| 25 |
20,211 |
| 26 |
22,232 |
| 27 |
17,191 |
| 28 |
23,708 |
| 29 |
20,962 |
| 30 |
25,203 |
| 31 |
20,000 |
| 32 |
24,997 |
| 33 |
20,194 |
| 34 |
22,820 |
| 35 |
22,183 |
| Total |
856,191 |
| County |
Total Registered |
| Ada |
252,231 |
| Adams |
2,604 |
| Bannock |
41,385 |
| Bear Lake |
3,439 |
| Benewah |
5,140 |
| Bingham |
20,000 |
| Blaine |
13,305 |
| Boise |
4,807 |
| Bonner |
26,368 |
| Bonneville |
52,779 |
| Boundary |
6,238 |
| Butte |
1,481 |
| Camas |
709 |
| Canyon |
90,774 |
| Caribou |
3,686 |
| Cassia |
9,419 |
| Clark |
396 |
| Clearwater |
4,379 |
| Custer |
2,801 |
| Elmore |
10,495 |
| Franklin |
6,127 |
| Fremont |
6,703 |
| Gem |
9,616 |
| Gooding |
6,110 |
| Idaho |
9,763 |
| Jefferson |
13,603 |
| Jerome |
7,966 |
| Kootenai |
82,230 |
| Latah |
22,568 |
| Lemhi |
5,202 |
| Lewis |
1,995 |
| Lincoln |
2,108 |
| Madison |
18,455 |
| Minidoka |
7,772 |
| Nez Perce |
21,260 |
| Oneida |
2,498 |
| Owyhee |
5,160 |
| Payette |
10,958 |
| Power |
3,285 |
| Shoshone |
6,493 |
| Teton |
6,230 |
| Twin Falls |
35,538 |
| Valley |
6,901 |
| Washington |
5,214 |
| Total |
856,191 |