Geographic Coverage

Iggy Features are computed across all 929 Census Bureau-defined Core-Based Statistical Areas (CBSAs). The CBSAs cover:

• US Population of nearly 302 million people (94% of the population)
• 1.71 million square miles (45% of the area of the USA)

A CBSA consists of one or more counties anchored by an urban cluster of at least 10,000 people, plus adjacent counties that are socioeconomically tied to the urban center by commuting.

Examples of CBSAs include Seattle-Tacoma-Bellevue, Atlanta-Sandy Sprints-Roswell, and Washington-Arlington-Alexandria.

Boundaries

Iggy computes Features for:

• 38,520 postal codes
• 84,008 U.S. Census Tracts
• 227,379 U.S. Census Block Groups
• 8,632 counties
• 4,162 metropolitan areas
• 1.3 billion 10 minute walk areas
• 1.3 billion 20 minute drive areas

Data

Iggy Features are calculated from:

• 11.1 million US POIs, including:
  • 2.4 million businesses
  • 823,000 transportation-related areas
  • 1,305,000 health care facilities
  • 490,000 cultural locations
  • 156,000 educational institutions
  • 51,000 government buildings and areas
  • 11,000 industrial areas
  • 8,000 social and community services
• 6.06 million records related to natural and man-made water features, including coastline, rivers, lakes, canals, and reservoirs
• 253,000 protected areas, including local, state, and national parks