| Name | Delaware County |
| State | Pennsylvania |
| FIPS Code | 42045 |
| County Seat | Media |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 558,874 |
| Population Growth Rate(2000-2022) | 3.19% |
| Majority Ethnicity | White 69.93% |
| Public School Majority Ethnicity | White 49% |
| Partisan Voting Index | Democratic:+15 |
| Unemployment Rate (December 2024) | 3.3% |
| Area Code(s) | 484 / 610 / 835 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 69.93% |
| African American | 23.41% |
| Hispanic | 0.13% |
| Asian | 6.44% |
| Native American | 0.04% |
| Hawaiin/Pacific Islander | 0.04% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 48.98% |
| African American | 29.97% |
| Hispanic | 7.06% |
| Asian | 8.45% |
| Native American | 0.16% |
| Hawaiin/Pacific Islander | 0.06% |