I don't know if anyone posted this in the past, but this is how the top 30 Unova Pokemon ranked in Nintendo's Dream poll from 2010 and how many votes each one of them got. The number of votes for the top 30 (out of 156) Pokemon is 2746.
01. Chandelure 286
02. Whimsicott 167
03. Reshiram 143
04. Reuniclus 142
05. Hydreigon 135
06. Serperior 132
07. Snivy 130
08. Joltik 112
08. Oshawott 112
10. Lilligant 93
11. Zekrom 85
12. Galvantula 80
13. Pansage 77
14. Scolipede 76
15. Volcarona 75
16. Emolga 74
17. Zoroark 68
17. Litwick 68
19. Victini 64
19. Minccino 64
21. Haxorus 63
21. Bisharp 63
23. Tympole 62
24. Samurott 61
25. Audino 58
26. Zorua 56
27. Stunfisk 53
28. Mienshao 52
29. Cofagrigus 48
30. Vanilluxe 47
Source:
http://pokemon-matome.net/articles/159450.html