My area would have a lot of pokemon because my area has lakes, ponds, rivers, woods, plains, and farmland in one little spot.
Here are the Pokemon in my area: Deerling, Sawbucks, Raichu, Pikachu, Weedle, Kakuna, Pidgey, Pidgeotto, Butterfree, Farfetch'd, Woobat, Noctowl, Beedrill, Shroomish...