I just replaced mine about 2 weeks ago. I bought the Jeep with about 11k miles on it. I had assumed that the previous owner rotated the tires and had them done at about the 16k point. Went to have them rotated again and they were worn down to the indicator. Pretty even wear, at about 24k miles on them. I've never had good luck with the GoodYears. I have an 2010 with the 17" wheels if that helps.
2010 Wrangler Sport, Automatic Transmission, more electronics than a Jeep should have. But hey, it's only got 2 doors. Sometimes.