Census tracts are small, relatively permanent statistical subdivisions of counties designed to be relatively homogeneous units with respect to population characteristics, economic status, and living conditions.
For questions about census tract geography and how 2010 tracts compare to 2000 tracts, see the Census Bureau Geography Division:
To find a census tract number for a street address, use these look-up tools:
HMDA and CRA
The FFIEC uses census tract data to monitor compliance with the Community Reinvestment Act (CRA) and the Home Mortgage Disclosure Act (HMDA). See the FFIEC web site at:
HUD Qualified Census Tracts and HUBZones
Health Professional Shortage Areas and Medically Underserved Areas
The Health Resources and Services Administration designates Health Professional Shortage Areas or Medically Underserved Areas. For information from the Bureau of Primary Health Care: