| Place Name | Dahlgren Center |
| Place Type | Census Designated Place |
| ZIP Code(s) | 20645 22448 22485 |
| County | King George County |
| Area Code(s) | 540 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 957 |
| Population Growth Rate (2010-19) | 20.87% |
| Majority Ethnicity | White 68.76% |
| US Congressional District(s) | Virginia 1st |
| House of Delegates Districts | 99 |
| State Senate Districts | 28 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 68.76% |
| African American | 15.76% |
| Hispanic | 0% |
| Asian | 2.93% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 12.55% |