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The IRS Migration Database is a resource created for analyzing historical state to state and county to county migration in the United States. The data was compiled from the IRS SOI U.S. Population Migration Data and was cleaned, collated, and organized into one SQLite / Spatialite database. A number of free tools exist (like the SQLite Manager DB Browser) for viewing and manipulating SQLite databases.
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For users who only wish to generate a simple report for an individual county or state for more recent years, you can use this tool provided by the MCDC.
| Name | File Type | Download | Metadata |
|---|---|---|---|
| State to State Database (1988-20152016) | sqlite | irsmig_state_database.zip | XML |
| County to County Database (1990-20152016) | sqlite | irsmig_county_database.zip | XML |
| Brief User Guide | User_Summary.pdf | ||
| Changes in Definitions | doc | Data_Changes_Definitions.docx | |
| Workflow Documentation | doc | IRS_Database_Workflow.docx | |
| (All documentation, including additional files, are included within each ZIP file for each database) | |||
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Example: Filers that moved to New York County between 2012 and 2013:
Disclaimer: Every effort was made to insure that the data, which was compiled from public sources, was processed accurately. The creator, Baruch College, and CUNY disclaim any liability for errors, inaccuracies, or omissions that may be contained therein or for any damages that may arise from the foregoing. Users should independently verify the accuracy of the data for their purposes.