Complex sentence: As of 2009, Its ZIP code of 91011 ranks the city as the 113th most expensive city to live in the United States, and of the 100 highest-income places with a population of at least 10,000, La Cañada Flintridge currently ranks 38th.
Split into simpler sentences: As of 2009, the city's 91011 ZIP code ranks the it as the 113th most expensive city to live in within the United States,. Of the 100 highest-income places with a population of at least 10,000, La Cañada Flintridge currently ranks 38th.