Population Estimates
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Modified Race Data
The race categories from each Census are reconciled with those race categories that appear in the data from administrative records, which are used to produce population estimates and projections. The modifications used in this process for 2010 and 2000 are described in the files provided below.
2010 Modified Race Data Summary File
- Methodology [PDF - 48k]
- Summary of Modified Race and Census 2010 Race Distributions for the United States (US-MR2010-01) [XLS - 42k | CSV - 7k]
- Modified Race Summary File: April 1, 2010
- File Layout [PDF - 87k]
- Alabama through Missouri [CSV - 28M]
- Montana through Wyoming [CSV - 28M]
2000 Modified Race Data Summary File
- File Layout and Technical Documentation [PDF - 191k]
- Data [TXT - 64M]
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