ZIP Code Demographics by School District
http://proximityone.com/zip-sd.htm
Relating Block Groups to ZIP Code Areas
http://proximityone.com/bg-zip.htm
ZIP Code to Census Tract Equivalence Table
http://proximityone.com/ziptractequiv.htm
ZIP Code Demographics by Congressional District
http://proximityone.com/zip-cd114.htm
ZIP Code Demographics by City-Place & Outside City-Places
http://proximityone.com/zip-place.htm
ZIP Code to County & Metro Equivalence Table
http://proximityone.com/zipequiv.htm
Relating Census Tracts to Congressional Districts
http://proximityone.com/tract2cd.htm
ZIP Code Urban/Rural Geography & Demographics
http://proximityone.com/zip_urban_rural.htm
Census Block to ZIP Code Area
Census Block to Congressional District
PUMA to City, Tract, County