The 2010¨C2011 migration data have now been released. SOI will release migration data for 2011¨C2012 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
Database Record Layout¡ªrequired 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