)
or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
County-to-county record layouts - Required for .dat files
2010-2011 DOC 2009-2010 DOC 2008-2009 DOC 2007-2008 DOC 2006-2007 DOC 2005-2006 2004-2005
U.S. Population Migration Data: Strengths and Limitations DOC
Return to Migration Data Downloads
Return to County to County Migration Database Files
Return to State to State Migration Database Files