Editor’s Note: Steve DuScheid is marketing director of Maponics, a developer of polygonal map data, such as neighborhood boundaries, ZIP codes and school attendance zones. Every year, federal and ...

In the darkest tracts mapped here, more than 20 percent of the working population gets to work mostly by bicycle. (Image captured from Census Explorer’s new Commute Edition) Certain less geeky news ...

Maps are interesting, where the same data can be used to tell many stories. Displaying United States census data as numerical counts or as density portray American population distribution dramatically ...

Although many census tract boundaries do not change every 10 years, in Philadelphia 38 out of 408 (9.3%) tracts had > 2% area change between 2010 and 2020. LTDB allows researchers to include these ...