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    • U.S. Census Grids (Summary File 1), 1990: Metropolitan Statistical Areas

    Metadata Updated: August 22, 2025

    The U.S. Census Grids (Summary File 1), 1990: Metropolitan Statistical Areas data set contains grids of demographic and socioeconomic data from the year 1990 U.S. census in ASCII andGeoTIFF formats for 39 metropolitan statistical areas with at least one million in population. The grids have a resolution of 7.5 arc-seconds (0.002075 decimal degrees), or approximately 250 square meters. The gridded variables are based on census block geography from Census 1990 TIGER/Line Files and census variables (population, households, and housing variables). This data set is produced by the Columbia University Center for International Earth Science Information Network (CIESIN).

    Access & Use Information

    Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    References

    https://doi.org/10.7927/H46H4FBC

    Dates

    Metadata Created Date November 12, 2020
    Metadata Updated Date August 22, 2025

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date November 12, 2020
    Metadata Updated Date August 22, 2025
    Publisher SEDAC
    Maintainer
    Identifier C1000000200-SEDAC
    Data First Published 2013-05-17
    Language en-US
    Data Last Modified 2025-07-17
    Category USCG, geospatial
    Public Access Level public
    Bureau Code 026:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 4c303569-981c-40dd-a575-327f0253ec18
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Metadata Type geospatial
    Old Spatial -124.0 17.0 -65.0 47.0
    Program Code 026:001
    Related Documents https://doi.org/10.7927/H46H4FBC
    Source Datajson Identifier True
    Source Hash 93266f2b40e81493752b4b2dd2a031b15d11fc4837a3f0c38fa8bf7b49da06b1
    Source Schema Version 1.1
    Spatial
    Temporal 1990-04-01T00:00:00Z/1990-04-01T00:00:00Z

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