| Place Name | Portland |
| Place Type | City |
| ZIP Code(s) | 37148 |
| County | Sumner County Robertson County |
| Area Code(s) | 615,629 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 11,454 |
| Population Growth Rate (2010-19) | 14.60% |
| Majority Ethnicity | White 88.58% |
| Metro/Micro Stats Area | Nashville-Davidson--Murfreesboro--Franklin, TN |
| US Congressional District(s) | Tennessee 6th |
| State House Districts | 44,66 |
| State Senate Districts | 18,25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 88.58% |
| African American | 2.08% |
| Hispanic | 0.24% |
| Asian | 0.23% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 8.87% |