Jefferson is a Unincorporated area located in York, Ontario and has an elevation of 298 meters.

• Latitude: 43° 55' 13'' North   (decimal: 43.9202777)
• Longitude: 79° 27' 9'' West   (decimal: -79.4525000)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Compact Rural Community
• Canadian Province/Territory: Ontario
• Elevation: 298 meters
• Location: York
• Atlas of Canada Locator Map: Jefferson
• GPS Coordinate Locator Map: Jefferson Lat/Long