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
