List of Electronic Data


Source of Data

Geographic Areas
Census CD 1970 Fourth Count Population Summary Tape and Fourth Count Housing Summary Tape from the US Census Bureau. Six geographic summarization levels Nation region, state, county, tract, MCD, and place.
CensusCD 1980 STF1A and STF3A from the US Census Bureau. STF1A contains the summarized results from the Census short form given to 100% of the US households. STF3A is the results from the long form given to 16% of the US households. There are about 350 demographics for STF1 and 1,200 demographics for STF3. 1,500 demographic variables for every Block Group, Tract, Place, Minor Civil Division (MCD), County, State, Division, and Region as well as for the Nation as a whole.
1980 Short and Long Form Census Tracts Data extracted from STF1 short-form and STF3 long-form Census of Population and Housing, 1980 by the SSDC staff. Census Tracts.
CensusCD 1990 Blocks STF1B and PL94-171 from the US Census Bureau. Blocks.
1990 Short and Long Form Census Tracts Data extracted from STF1 (short-form) and STF3 (long-form) Census of Population and Housing, 1990 by the SSDC staff. Census Tracts.
CensusCD 1990 Long Form Forthcoming.
CensusCD 1990 Long Form Normalized CensusCD 1990 Long Form in 2000 Boundaries allows you to access US Census data from the 1990 Long Form (SF3) in all of the 2000 Long Form census boundaries. It is the only source of census data from 1990 that is expressed in the 2000 geographies at all of the levels. Nation, States, PMSA, MSA/CMSA, 106th Congressional District, American Indian Reservations, Counties, CDP, MCD, Zip Codes (ZCTA), Census Tracts, Block Groups.
CensusCD 2000 Redistricting The first detailed data available from the 2000 Census. It includes all the 2000 Redistricting data (Public Law 94-171). 2000 Census data available at 19 levels of geography, from Block Group up to National. Also includes, for comparison purposes, 1990 Redistricting data normalized to 2000 geographies.
CensusCD 2000 Redistricting Blocks Census redistricting (Public Law 94-171) data. Also includes 1990 Redistricting data normalized to 2000 geographies through a 1990 to 2000 Block weighting process. Blocks.
2000 Short Form Census Tracts Data extracted from STF1 (short-form) Census of Population and Housing, 2000 Census Bureau's DVD by the SSDC staff. Census Tracts.
CensusCD 2000 Short Form Census short form (SF1) given to 100% of the US households Data at 8 levels of geography State, County, Tract, Block Group, MCD/CCD, Place, Congressional divisions and Zip (ZCTA).
CensusCD 2000 Short Form Blocks Census short form (SF1) given to 100% of the US households Blocks.
CensusCD 2000 Long Form Profile A subset of the Census long form (SF3) data given to 100% of the US households Ten levels of geography Nation, Region, State, PMSA, MSA/CMSA, County, Place, MCD/CCD (for 29 states), Congressional districts, and American Indian areas.
CensusCD 2000 Long Form The most complete source of detailed information about the people, housing, and economy of the United States. It offers the entire US Census Bureau's SF3 (long-form) data set in an integrated data and software package. Data at 12 levels of geography Nation, State, County, Tracts, Block Groups, Places, MCD/CCD, Congressional districts, Zip (ZCTA), MSA/CMSA, CMSA/PMSA, and American-Indian Reservations
CensusCD Neighborhood Change Database (NCDB) 1970-2000 U.S. Census Tract Data The NCDB will have two separate releases, both containing 1970, 1980 and 1990 SF3 "long form" data. The current Short Form Release includes Census 2000 SF1 "short form" data -- basic population and housing characteristics from the short form questions answered by all households in the decennial censuses. The NCDB Long Form Release (scheduled for 2003) will include responses to the Census 2000 "long form" questions that were asked of about one out of every six households in the census. The Neighborhood Change Database (NCDB) allows you to access US Census data from 1970, 1980, 1990 and 2000 at the census tract level. you can access data for all four decades normalized to 2000 tract boundaries. The All years normalized to 2000 selection allows you to compare data for various years. The data for years 1970-1990 will be recalculated and normalized and the report will use the 2000 tract ID. This will allow you to compare data for various years within the exact same boundary definitions.