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

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).

Data and Resources

Additional Info

Field Value
Maintainer Earthdata Forum
Last Updated June 9, 2026, 00:00 (UTC)
Created May 18, 2026, 22:06 (UTC)
accessLevel public
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harvest_source_title Science Discovery Engine
identifier 10.7927/H4PK0D3B
license https://www.usa.gov/government-works
modified 2026-06-03T16:52:52Z
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theme {"Earth Science"}