An ongoing statistical survey that samples a small percentage of the population every year -- giving communities information to plan investments and services.

The Current Population Survey (CPS) is the primary source of labor force statistics for the population of the United States.

The SIPP provides information about the income and program participation of people and households. Data are used to evaluate federal, state and local programs

The decennial census counts every resident in the United States. Data are used for congressional apportionment and to distribute federal funds to communities.