| Name | Saint Johns County |
| State | Florida |
| FIPS Code | 12109 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2020) | 273,425 |
| Population Growth Rate(2000-2020) | 43.88% |
| Majority Ethnicity | White 85.27% |
| Public School Majority Ethnicity | White 76% |
| Partisan Voting Index | Republican:+14 |
| Unemployment Rate | 1.8% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 85.27% |
| African American | 5.2% |
| Hispanic | 6.43% |
| Asian | 2.68% |
| Native American | 0.35% |
| Hawaiin/Pacific Islander | 0.07% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 76.27% |
| African American | 6.85% |
| Hispanic | 9.25% |
| Asian | 4.4% |
| Native American | 0.13% |
| Hawaiin/Pacific Islander | 0.27% |