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Centers of Population by Block Group

This page contains links to Census 2000 Block Group centers of population. The files are in comma delimited ASCII format, with one file for each state. The record layout is as follows:

• ST: The 2-digit State/State equivalent entity FIPS Code.
• COU: The 3-digit County/County equivalent FIPS Code.
• TRACT: The 6-digit Census 2000 Census Tract number
• BG: The 1-digit Census 2000 Block Group number
• POP: The Census 2000 Block Group population.
• LAT: The latitude coordinate of the center of population for the Block Group
• LONG: The longitude coordinate of the center of population for the Block Group

The latitude and longitude coordinates are given in decimal degrees. Block groups with zero population have no latitude/longitude coordinates.