| Name | Cumberland County |
| State | Maine |
| FIPS Code | 23005 |
| County Seat | Portland |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 311,258 |
| Population Growth Rate(2020-2024) | 2.63% |
| Majority Ethnicity | White 91.24% |
| Public School Majority Ethnicity | White 78% |
| Partisan Voting Index | Democratic:+17 |
| Unemployment Rate (May 2026) | 2.7% |
| Sales Tax Rate (2025) | 5.5% |
| Area Code(s) | 207 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 91.24% |
| African American | 3.48% |
| Hispanic | 2.83% |
| Asian | 2.2% |
| Native American | 0.23% |
| Hawaiin/Pacific Islander | 0.02% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 78.46% |
| African American | 9.37% |
| Hispanic | 4.62% |
| Asian | 2.92% |
| Native American | 0.26% |
| Hawaiin/Pacific Islander | 0.08% |