State Route 27 in New Jersey is an example of an ever-changing America. It is an historic road that reflects the spectrum of the economy and ethnicity as it crawls from its most northern point in Newark and terminates in Princeton. As part of a larger census analysis, the Star-Ledger examines and contrasts the current population of the communities that line the route. (Video by Bumper DeJesus / The Star-Ledger, Data analysis by Eric Sagara / The Star-Ledger)