To provide population and housing data for the U.S.

To provide population and housing data for the U.S.

To provide street intersection data for each county in the U.S.

To provide migration data at the county and state levels for the U.S.

To provide access to demographic data for the U.S.

To provide geographically referenced population data for Mexico for conducting assessments of human interactions with the environment.

To provide time-series population data for Mexico for conducting assessments of human interactions with the environment.

To provide US housing and related data for demographic analysis; The samples can be extended to analysis of the whole United States for many purposes. Comparative analysis across different groups is possible using the PUMS data.