SOI Tax Stats - County-to-county migration data files

The 2010–2011 migration data have now been released. SOI will release migration data for 2011–2012 as soon as feasible. Information on the release schedule is forthcoming.

Data files are available for download in two formats:

• Generic ASCII data files (.dat file extension) - These require a record layout below to read.
• Comma Separated Values files (.csv file extension) - Data items are separated by commas, where each new line represents a new row.

Documentation

Migration Data Users Guide

Database Record Layout—required for .dat files

County-to-county inflow

.dat File

2010-2011     2009-2010     2008-2009     2007-2008     2006-2007     2005-2006     2004-2005
.csv File
2010-2011     2009-2010     2008-2009     2007-2008     2006-2007     2005-2006     2004-2005

County to county outflow

.dat File

2010-2011     2009-2010     2008-2009     2007-2008     2006-2007     2005-2006     2004-2005

.csv File

2010-2011     2009-2010     2008-2009     2007-2008     2006-2007     2005-2006     2004-2005

Return to Free Migration Data Downloads