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 ...

WASHINGTON — On Monday, Maryland began releasing counts of coronavirus cases in each ZIP code in the state. The data provides a more specific look at which parts of the state are being hit by the ...

The human brain cannot efficiently process unlimited detail. Faced with complexity, it instinctively organizes information into smaller, recognizable units. Geography reflects this cognitive tendency.

Data from millions of appraisals in 2012-2019 are used to estimate residential land prices, the share of house value attributable to land, and related statistics down to the census-tract level for ...