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Notes:
SF 1 National Files provide summaries for the entire United States.
The file structure includes, but is not limited to, the following geographic entities:
United States; region; division; state; county; county subdivision (10,000 or more population); place (10,000 or more population); Metropolitan Statistical Area/Consolidated Metropolitan Statistical Area (MSA/CMSA); Consolidated Metropolitan Statistical Area/Primary Metropolitan Statistical Area (CMSA/PMSA); Urban area (Final file only); Congressional district (106th Congress); American Indian and Alaska Native Area and Hawaiian home land; and ZIP Code Tabulation Area (ZCTA).
SPEAKER NOTES: The Office of Management and Budget (OMB) announced revised standards for metropolitan statistical areas, and a new type of entity called a micropolitan statistical area, in the Federal Register on December 27, 2000. However, the OMB will not identify the entities that are based on the new standards and Census 2000 data until mid-2003. The Census 2000 data products present information for the metropolitan areas and central cities announced by the OMB on June 30, 1999, and therefore are in effect on Census Day, April 1, 2000; these entities reflect the 1990 metropolitan area standards.
