| Name | Calvert County |
| State | Maryland |
| FIPS Code | 24009 |
| County Seat | Prince Frederick |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 88,774 |
| Population Growth Rate(2000-2022) | 4.56% |
| Majority Ethnicity | White 84.35% |
| Public School Majority Ethnicity | White 66% |
| Partisan Voting Index | Republican:+4 |
| Unemployment Rate (December 2024) | 2.7% |
| Area Code(s) | 410 / 443 / 667 / 240 / 301 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 84.35% |
| African American | 13.19% |
| Hispanic | 0.17% |
| Asian | 2.16% |
| Native American | 0.07% |
| Hawaiin/Pacific Islander | 0.07% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 65.94% |
| African American | 13.65% |
| Hispanic | 8.35% |
| Asian | 1.48% |
| Native American | 0.18% |
| Hawaiin/Pacific Islander | 0.11% |