When it comes to any safety/crime related issues, it's always best to contact the local authorities with all your questions, hear all there is to hear firsthand. If unfamiliar with the area(s) do revisit more than once and at different times of day, possibly chat with locals/neighbors. Real estate professionals are prohibited from steering, enticing a buyer to purchase/rent, or not, in specific neighborhoods. http://www.neighborhoodscout.com/https://www.crimereports.com/http://www.homefair.com/
NJ State Police Uniform Crime Report. It lists, in detail, each municipality in the state. As for how crime in Willingboro compares to the surrounding areas, you be the judge. I'm surprised the other person who answered doesn't know this, being a sales agent.