| Name | Jefferson County |
| State | Idaho |
| FIPS Code | 16051 |
| Timezone | Mountain Daylight Time (MDT) |
| Population (2022) | 25,940 |
| Population Growth Rate(2000-2022) | 18.18% |
| Majority Ethnicity | White 88.71% |
| Public School Majority Ethnicity | White 86% |
| Partisan Voting Index | Strongly Republican:+30 |
| Unemployment Rate | 3.5% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 88.71% |
| African American | 0.08% |
| Hispanic | 10.13% |
| Asian | 0.49% |
| Native American | 0.54% |
| Hawaiin/Pacific Islander | 0.05% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 85.66% |
| African American | 0.29% |
| Hispanic | 11.5% |
| Asian | 0.31% |
| Native American | 0.54% |
| Hawaiin/Pacific Islander | 0.07% |