Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to content

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

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

Didn't find what you're looking for? Suggest a dataset here.