In addition to bt14 area where there is New village existed since Zaman Darurat, there are more older settlement in Puchong but some of it no longer exist or in the midst of getting eradicated for eg:

6th mile - just before the bridge to Kinrara criss-crossing KEsas highway. Currently that wooden houses are in the midst of eradication.

11th miles - The current location of the Furniture mall & new shoplot in between IOI Mall & Tesco. - Landslides happened twice there and destroyed the whole kampung - Used to be a crocodile farm and one of the crocodile escaped and dwelled in Sri Aman lake b4 captures..The famous biggest captured buaya in malaysia. 

12th mile- The area opposite wisma tractor & the 2 hindu temples & Rakan Muda complex...Now that settlement almost no more liao except the remained of old police station & the small mosque + few fugly shop houses & wooden shacks.

14th miles - New Village during Darurat - Famous Puchong Yong Tau Foo & Yap Chuan BKT.

After 1980 and early 90's new housing estates mushroomed started wth Tmn Kinrara, Puchong Jaya & thereafter Puchong Perdana.

More reading on pg 1 or here:

http://ms.wikipedia.org/wiki/Puchong