| Name | Nassau County |
| State | Florida |
| FIPS Code | 12089 |
| County Seat | Fernandina Beach |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 73,303 |
| Population Growth Rate(2000-2022) | 23.24% |
| Majority Ethnicity | White 92.76% |
| Public School Majority Ethnicity | White 78% |
| Partisan Voting Index | Strongly Republican:+24 |
| Unemployment Rate (February 2025) | 2.8% |
| Area Code(s) | 324 / 904 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 92.76% |
| African American | 5.81% |
| Hispanic | 0.27% |
| Asian | 1.09% |
| Native American | 0.03% |
| Hawaiin/Pacific Islander | 0.03% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 78.09% |
| African American | 6.71% |
| Hispanic | 8.55% |
| Asian | 0.99% |
| Native American | 0.15% |
| Hawaiin/Pacific Islander | 0.09% |