Here are all the Pokemon locations by route in Pokemon X and Y.
Routes included:
- Routes 2, 3, 4, 5 & 6
- Routes 7 & 8
- Routes 9, 10, 11 & 12
- Routes 13, 14, 15, & 16
- Routes 17, 18, 19, 20, & 21
Click the image below for the full size and for all the locations. Thanks to Stephen885 for the map!
Here's another locations map by Bobdor: