| Name | Twin Falls County |
| State | Idaho |
| FIPS Code | 16083 |
| County Seat | Twin Falls |
| Timezone | Mountain Daylight Time (MDT) |
| Population (2022) | 77,122 |
| Population Growth Rate(2000-2022) | 16.59% |
| Majority Ethnicity | White 96.93% |
| Public School Majority Ethnicity | White 71% |
| Partisan Voting Index | Strongly Republican:+24 |
| Unemployment Rate (June 2025) | 3.2% |
| Area Code(s) | 208 / 986 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 96.93% |
| African American | 0.63% |
| Hispanic | 0.6% |
| Asian | 1.83% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 70.76% |
| African American | 1.99% |
| Hispanic | 22.77% |
| Asian | 1.05% |
| Native American | 0.45% |
| Hawaiin/Pacific Islander | 0.55% |