SOI Tax Stats - Migration Data
State and county migration statistics will continue to be produced and posted on this site. Statistics for 1990 through 2010 are currently available. Statistics for 2011 will be posted as soon as they are completed. In addition, work is underway at IRS and the Bureau of the Census to develop additional migration statistics that take advantage of improved data that have recently become available.
Migration data for the United States are based on year-to-year address changes reported on individual income tax returns filed with the IRS.
The data present migration patterns by state or by county for the entire United States and are available for inflows—the number of new residents who moved to a county or state and where they migrated from, and outflows—the number of residents leaving a county or state and where they went.
The data are available for Filing Years 1991 through 2009 and include:
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Number of returns (which approximates the number of households that migrated)
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Number of personal exemptions (which approximates the number of individuals who migrated)
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Total adjusted gross income of the migrants (starting with Filing Year 1995)
Important: The data used to produce migration data products come from individual income tax returns filed prior to late September of each calendar year and represent between 95 and 98 percent of total annual filings. However, since returns filed after September are not included, totals shown in migration data tables will not match analogous totals reported in other IRS statistical data products.
For more information, see U.S. Population Migration Data: Strengths and Limitations
Free Migration Data
2005–2010
Pricing for Migration Data—1991–2004
The County-to-County (1991–2004) and State-to-State (1989–2004) migration data are updated annually and available for purchase as follows:
County-to-County Migration Data
$10 per year per State
$200 per year for the entire United States
$500 for the entire United States for years 1991–2004
State-to-State Migration Data
$10 per year per State
$50 per year for the entire United States
$150 for the entire United States for years 1989–2004
Payment Methods for Migration Data—1989–2004
• Pay by Credit or Debit Card
You must have an SOI invoice number, provided by the Statistical Information Services (SIS). To obtain an invoice number or if you have questions about an invoice, contact SIS by phone at (202) 874–0410 or by email.
If you have an invoice number and wish to pay by credit or debit card, make your payments here.
Please note that this is not a website to pay your tax liability, and payment will not be accepted for this purpose.
• Pay by Check or Money Order
Contact the SIS Office for instructions and an invoice.
SIS Email
202–874–0410 (Voice)
202–874–0964 (Fax)
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