You can't 'unlink' the iPhone from your iTunes account (unless you change the iTunes account you're logged into on the computer, then sync, but ion that case you won't be able to use the apps you have already bought).
PEOPLE OVERVIEW. The 2016 Laguna Hills, California, population is 31,748. There are 4,810 people per square mile (population density).
Zip Code 92653 - Laguna Hills, CA. 92653 is located in the state of California in the Reno metro area. Zip code 92653 is primarily located in Orange County. The official postal service name used for 92653 is LAGUNA HILLS, California.