
DeKalb Junction
- County:
- St. Lawrence County
- County Seat:
- No
- Area (mi²):
- 3.981
- State:
- New York
DeKalb Junction is a CDP located in St. Lawrence County, New York. DeKalb Junction has a 2025 population of 676. DeKalb Junction is currently growing at a rate of 1.5% annually and its population has increased by 26.36% since the most recent census, which recorded a population of 535 in 2020.
The average household income in DeKalb Junction is $71,191 with a poverty rate of 10.55%. The median age in DeKalb Junction is 44.2 years: 39.8 years for males, and 44.3 years for females.