| Name | Santa Cruz County |
| State | Arizona |
| FIPS Code | 04023 |
| County Seat | Nogales |
| Timezone | Mountain Standard Time (MST) |
| Population (2024) | 49,647 |
| Population Growth Rate(2020-2024) | 4% |
| Majority Ethnicity | Hispanic 65.74% |
| Public School Majority Ethnicity | Hispanic 97% |
| Partisan Voting Index | Democratic:+13 |
| Unemployment Rate (May 2026) | 6.6% |
| Sales Tax Rate (2025) | 6.6% |
| Area Code(s) | 520 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 33.44% |
| African American | 0.19% |
| Hispanic | 65.74% |
| Asian | 0.12% |
| Native American | 0.36% |
| Hawaiin/Pacific Islander | 0.15% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 2.51% |
| African American | 0.11% |
| Hispanic | 96.76% |
| Asian | 0.36% |
| Native American | 0.05% |
| Hawaiin/Pacific Islander | 0.03% |