Complex sentence: In April 2009, "American Demographics" magazine named Kenilworth's ZIP code (60043) the 11th most affluent in the US, while in September 2007, Forbes magazine ranked Kenilworth as the 19th most expensive ZIP code in America Forbes.
Split into simpler sentences: In April 2009, "American Demographics" magazine named Kenilworth's ZIP code (60043) the 11th most affluent in the US. In September 2007, Forbes magazine ranked Kenilworth as the 19th most expensive ZIP code in America Forbes.