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Geolytics--Census Information in a New Package: 2000 Long Form (SF3)

Geolytics provides repackaged census data from the 1970, 1980, 1990 and 2000 censuses. Data extraction is by menu choices. Creates thematic choropleth maps as images, reports in dbase (or text) format. Boundaries and data can be exported as shapefiles.


Census 2000 Long Form

The Census 2000 Long Form is the most complete source of detailed information about the people, housing, and economy of the United States. The CensusCD 2000 Long Form offers the entire US Census Bureau's SF3 dataset in an integrated data and software package.

Note that this is a four CD set. Make sure you have the right region in the drive before selecting areas.

This dataset contains variables such as income, housing, employment, language spoken, ancestry, education, poverty, rent, mortgage, commute to work, etc. There are 5,500 variables at the Block Group level and over 10,000 more variables at the larger geographies such as tract, zip code, county and state level. For a complete list of variables, click here. The dataset includes all of the available cross-tabulated variables (income by age, employment by race) released by the US Census Bureau.

The software interface makes it possible to search for and select the data you're interested in. You can customize reports down to the block group level, around a central point, or for a large array of areas all at once. 2000 Long Form lets you create and map your own computed fields from the data.

Using the disks

Data Extraction

In the 2000 LongForm CD, the basic process is as follows:

  • File/New Request -- Give your file a name.
  • Area -- Choose the geographic level.
  • Subarea -- Choose a subarea, or choose the same area level again to confirm choice.

Area and SubArea choices require some thought and you may have to experiment a little until you find the right combination. If you want to see all the tracts for a particular county, for example, the area is "County" and the SubArea is "Tracts"


  • Counts -- Select STF1A, STF3A, or both.
  • Run -- Choose a format (dbase or ASCII is generally what you want).