Jefferson URL: https://knowledge.ivjn.us/en/places/md-jefferson.html Jefferson is a town in Maryland, United States. ## Overview Jefferson is a town in [Maryland](https://knowledge.ivjn.us/en/places/maryland.html), United States, with a population of about 2,111[^geonames]. ## Geography - Coordinates: 39.3621, -77.5316 Updated: 2026-10-29 Relations: - Located in: Frederick County https://knowledge.ivjn.us/en/places/md-frederick-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip