| Place Name | Callahan |
| Place Type | Town |
| ZIP Code(s) | 32011 |
| County | Nassau County |
| Area Code(s) | 904 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 1,089 |
| Population Growth Rate (2010-19) | 35.89% |
| Majority Ethnicity | White 78.19% |
| Metro/Micro Stats Area | Jacksonville, FL |
| US Congressional District(s) | Florida 4th |
| State House Districts | 11 |
| State Senate Districts | 4 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 78.19% |
| African American | 16.59% |
| Hispanic | 0.12% |
| Asian | 2.4% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.7% |