Master Address File Extract (MAFX)

Description

The Master Address File Extract (MAFX) is a Census Bureau file that contains an accurate, up-to-date inventory of all known living quarters in the United States, Puerto Rico, and associated island areas. The MAFX is used to support most of the census and surveys that the Census Bureau conducts including the decennial census, the American Community Survey, and ongoing demographic surveys. The content of the MAFX includes address information, Census geographic location codes, as well as source and history data. The MAFX provides the longitude and latitude of each housing unit.

Data Access

Where to Apply

https://www.census.gov/about/adrm/fsrdc.html

Fees

Possible seat fee dependent on consortium membership. URL for more information: https://www.census.gov/about/adrm/fsrdc/about/fsrdc-network-fees.html

Access Modality

FSRDC

Usage Restrictions

Census Bureau restricted-use data must be used for statistical purposes and cannot be used for purposes of enforcing laws or regulations or for profit.

Is a Public-Use Version (PUF) Available?

Does Geography Differ from Public Version?

Does Level of Variable Detail Differ from Public Version?

Additional Information About Restricted Data

https://www2.census.gov/geo/pdfs/education/Uhl_CAS_2011.pdf