Every day, decisions that affect our lives depend on knowing how many people live where. For example, how many vaccines are needed in a community, where polling stations should be placed for elections ...

When hurricanes approach the coast or wildfires tear through dry terrain, the first maps that most people see are the ones that track the danger itself. They show a storm’s path, the current fire ...

The country's immigrant population may have dropped by roughly 2 million people in the first six months of the year, according to new government data. The new data offer an early – if imperfect – ...