| Place Name | DeKalb Junction |
| Place Type | Census Designated Place |
| ZIP Code(s) | 13630 |
| County | Saint Lawrence County |
| Area Code(s) | 315,680 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 326 |
| Population Growth Rate (2010-19) | -6.55% |
| Majority Ethnicity | White 97.62% |
| Metro/Micro Stats Area | Ogdensburg-Massena, NY |
| US Congressional District(s) | New York 21st |
| State Assembly Districts | 117 |
| State Senate Districts | 48 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.62% |
| African American | 0.75% |
| Hispanic | 1.64% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |