Neighborhood information like sex offender, school and crime data will fuel residential segregation

John Walko, a father of two who recently moved from Scranton, Pa., to a single-family rental in Charlotte, N.C., began his home search by filtering listings online based on location, price and photos -- the fun stuff. But as he continued to browse sites like Zillow and Trulia, he soon found himself digging through listings based on additional information: crime and school data. “I wouldn’t have really thought of it too much,” he said of the crime maps and school data he discovered on the sites. “But now it stands out. Now you go, ‘Oh, I got to look at this, make sure it’s a safe community for my family.’ ” ...