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).
Laguna Niguel, California. Laguna Niguel is a suburban city in Orange County, California in the United States. The name Laguna Niguel is derived from the words Laguna (Spanish for lagoon) and Niguili (the name of a Native American village once located near Aliso Creek). As of the 2010 census, the population was 62,979.