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Each database record represents the number of tax filers who moved from one county to another county, or from one state to another state, each year. Other attributes include the number of exemptions and total income of the filers who moved. States and counties are identified using ANSI / FIPS codes. For each year there is an inflow and an outflow table, as well as summary or totals tables. There are also four sample views that illustrate how the database can be queried.
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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.
IRS Migration dataset creation scripts on GitHub
| Name | File Type | Download | Metadata |
|---|---|---|---|
| State to State Database (1988-2018) | sqlite | irsmig_state_database.zip | XML |
| County to County Database (1990-2018) | 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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