| Place Name | Dennis |
| Place Type | Census Designated Place |
| ZIP Code(s) | 76087 76462 |
| County | Parker County |
| Area Code(s) | 682,817 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 498 |
| Majority Ethnicity | White 81.54% |
| Metro/Micro Stats Area | Dallas-Fort Worth-Arlington, TX |
| US Congressional District(s) | Texas 12th |
| State House Districts | 61 |
| State Senate Districts | 30 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 81.54% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 18.46% |