Trying to find someone named Yong Chang who lives in Pennsylvania? We found 15 records across 22 cities. See their information which may include contact info, employment histories, home addresses and phone numbers. By the numbers, most of them live in Philadelphia or University Park. When looking at their birthdates, Yong is 70 years old on average, with nearly 50% categorized in the 41-60 age group. See more...