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RAND Center for Population Health and Health Disparities (CPHHD) Data Core Series: Segregation Indices, 1990-2000 [United States] (ICPSR 27863) RSS

Principal Investigator(s):


The RAND Center for Population Health and Health Disparities (CPHHD) Data Core Series is composed of a wide selection of analytical measures, encompassing a variety of domains, all derived from a number of disparate data sources. The CPHHD Data Core's central focus is on geographic measures for census tracts, counties, and Metropolitan Statistical Areas (MSAs) from two distinct geo-reference points, 1990 and 2000. The current study, Segregation Indices, has cross-sectional and longitudinal data sets, containing a number of non-spatially sensitive segregation indices based on the main Decennial Census. These indices are considered non-spatial in that the indices did not take into account any spatial relationships of the geographical entities (i.e., distances apart, clustering within, spatial concentrations, etc.), only association of tracts with either County and/or MSA. In addition, the data are summarized at two different geographic levels: County (Geographic) and MSA (Geographic). The data consist of 11 different segregation indices, with several different binary indicators, and a 5-race indicator. Measures include: Normalized Simpson Interaction Diversity Index, Entropy Diversity Index, Dissimilarity Segregation Index, Gini Segregation Index, Information Theory Segregation Index, Squared Coefficient of Variation Segregation Index, Relative Diversity Segregation Index, N-group Normalized Exposure Segregation Index, Exposure Index, Isolation Index, and 2-group Normalized Exposure Index.

Series: RAND Center for Population Health and Health Disparities Data Core Series

Access Notes

  • These data are available only to users at ICPSR member institutions. Because you are not logged in, we cannot verify that you will be able to download the data.


DS0:  Study-Level Files
DS1:  Longitudinal Data by Geographic County, 1990 Geo-Referenced - Download All Files (87.5 MB)
DS2:  Longitudinal Data by MSA, 1990 Geo-Referenced - Download All Files (11.8 MB)
DS3:  Cross-Sectional Data by Geographic County, 1990 Geo-Referenced - Download All Files (10.4 MB)
DS4:  Cross-Sectional Data by MSA , 1990 Geo-Referenced - Download All Files (3.6 MB)
DS5:  Cross-Sectional Data by Geographic County, 2000 Geo-Referenced - Download All Files (10.5 MB)
DS6:  Cross-Sectional Data by MSA, 2000 Geo-Referenced - Download All Files (3.6 MB)

Study Description


Escarce, Jose J., Nicole Lurie, and Adria Jewell. RAND Center for Population Health and Health Disparities (CPHHD) Data Core Series: Segregation Indices, 1990-2000 [United States]. ICPSR27863-v1. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2011-05-13. http://doi.org/10.3886/ICPSR27863.v1

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Scope of Study

Subject Terms:   census, census data, census records, counties, demographic characteristics, metropolitain statistical areas, segregation

Smallest Geographic Unit:   census tract

Geographic Coverage:   Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, United States, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming

Time Period:  

  • 1990--2000
  • 1990
  • 2000

Date of Collection:  

  • 1990
  • 2000

Unit of Observation:   metropolitan statistical area, geographic county

Universe:   All census tracts in the 50 United States and District of Columbia (all datasets) and Puerto Rico (2000 cross-sectional datasets).

Data Types:   census/enumeration data

Data Collection Notes:

Data for Decennial Census Abridged (ICPSR 27866), Neighborhood Socioeconomic Status (SES) Index (ICPSR 27865), Disability (ICPSR 27862), Cost-of-Living Indices (ICPSR 27621), Pollution (ICPSR 27864), and Street Connectivity (ICPSR 27861) are also available from ICPSR.

Additional details about the RAND Center for Population Health and Health Disparities (CPHHD) Data Core Series can be found on the RAND Web site.


Study Purpose:   The purpose of the CPHHD Data Core Series is to provide projects with the data tools necessary to conduct quality, population-based, health-relevant research.

Data Source:

Decennial Census Population and Housing Characteristics Data, United States Census Bureau


Original ICPSR Release:  



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