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    • U.S. Census Grids (Summary File 1), 1990

    Metadata Updated: August 23, 2025

    The U.S. Census Grids (Summary File 1), 1990 data set contains grids of demographic and socioeconomic data from the year 1990 U.S. census in ASCII and geotiff formats. The grids have a resolution of 30 arc-seconds (0.0083 decimal degrees), or approximately 1 square km. 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/H4B85623
    https://doi.org/10.7927/H40Z716C

    Dates

    Metadata Created Date November 30, 2022
    Metadata Updated Date August 23, 2025

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date November 30, 2022
    Metadata Updated Date August 23, 2025
    Publisher SEDAC
    Maintainer
    Identifier C1000000180-SEDAC
    Data First Published 2013-05-17
    Language en-US
    Data Last Modified 2025-07-14
    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 5ae4ef79-5f81-4682-a8cb-ea7caa255c6c
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Metadata Type geospatial
    Old Spatial -180.0 17.0 -65.0 72.0
    Program Code 026:001
    Related Documents https://doi.org/10.7927/H4B85623, https://doi.org/10.7927/H40Z716C
    Source Datajson Identifier True
    Source Hash b8f5ed12e7ec7efc426a63c6faa9c5cdcae2ea9dbd641819248f123c333a585c
    Source Schema Version 1.1
    Spatial
    Temporal 1990-04-01T00:00:00Z/1990-04-01T00:00:00Z

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