Learn More
Review comprehensive SF3 and SF1 technical documentation provided by the U.S. Census Bureau.
Please note the file size of the full version may take several minutes to load.
16 SF3 datasets are available for all states – click on a dataset for a listing of the variables included in each.
Available Datasets
To provide additional value, Claritas offers SF1 data with a variety of retrieval options and variables
not available from other sites.
14 SF1 Maps Available!
In addition to the PL94 data released from the Census, Claritas calculated value-added variables to provide
a more complete picture of your area. The variables have been broken into seven distinctive datasets,
designed to offer manageable and logical data groups. Click the following links for more details,
including a variable list for each dataset:
Data are available in both Adobe® Acrobat® Reader and Microsoft ®
compatible formats for SF1 and PL94 sources. SF3 data are returned in CSV format, which can easily
be viewed and edited in Microsoft Excel.
Summary File 3 (SF3) reports long-form census data down to the block group or census tract level.
813 detailed tables reveal social, economic and housing characteristics compiled from a sample of approximately
19 million housing units (about 1 in 6 households) that received the Census 2000 long-form questionnaire.
Visit the Census Bureau site for more details about
comparing SF3 estimates with corresponding SF1 and SF2 values. Discussion includes the weighting procedures used and the use of
estimates for small groups and areas. The goal of SF3 is to identify large differences among areas or large changes
over time.
Geographic Levels:
Summary File 1 (SF1) reports short form census data down to the block level, including age,
race, sex, households, families, and housing units. Specifically, SF1 provides the first
Census 2000 counts of households, households by type and size, group quarters population,
housing units, and owner/renter status.
286 detailed tables provide comprehensive data about population, housing, race and Hispanic origin.
Race categories include eighteen Asian groups and twelve Native Hawaiian and Other Pacific Islander groups.
Counts of persons of Hispanic origin by country of origin (twenty-eight groups) are also shown.
Geographic Levels:
The
Census 2000 Redistricting Data (Public Law 94-171) Summary File is enhanced with additional Claritas data calculated from the PL94 information
received from the Census. 402 demographic data items are available, across 7 dataset groupings:
According to the Census Bureau, Public Law 94-171, enacted in 1975, directs the Bureau to provide
redistricting data needed by the 50 states for their use in redrawing districts of the United States
Congress and state legislatures.
The Census 2000 Redistricting (Public Law 94-171) Summary File provides population counts for all
persons and all persons 18 years and over. It also has counts of Hispanic/Latino persons by race (63
categories) and non-Hispanic/Latino persons by race (63 categories) for both the total population and
the population 18 years and over.
Data are presented for the 50 states and the District of Columbia.
Additional Source Information
© 2001 Geographic Data Technology, Inc.
Access valuable data from Census 2000 and Claritas – for FREE!
Summary File 3 (SF3), SF1 and Public Law 94-171 (PL94) data are available, including Claritas enhancements such
as a variety of retrieval options, additional variables, downloadable datasets, and preformatted reports (PL94 only) and maps (SF1 only).
CENSUS TECHNICAL DOCUMENTATION
Choose from the following maps – only $49 each!
2 Reports Available
PL94 reports are available for either component or aggregate information. Choose 'Current Selection (Aggregate)' to receive all selected areas
summarized together. Select 'Current Selection' for a report that details each area separately.
Geographic Levels:
Census 2000 Redistricting Data (Public Law 94-171) Summary
File
This product contains proprietary and confidential property of Geographic Data Technology, Inc.
Unauthorized use of this product, including copying for other than testing and standard backup procedures, is
expressly prohibited.