The Census Bureau has released some tables on interstate migration.
Census MobilityTop Destination for Persons Moving in Last YearPaired: (ie the top destination for Californians was Texans, and the top destination for Texans was California.
California-Texas
Iowa-Nebraska
Kansas-Missouri
Minnesota-Wisconsin
Illinois-Indiana
North Carolina-South Carolina
Florida-Georgia
Favored Destination (ie the top destination for Arizonans, and 4 other states, and outside the country was California)
California: Arizona, Hawaii, Nevada, Utah. Washington, Foreign.
Washington: Idaho, Montana, Oregon.
Texas: Alaska, Arkansas, Colorado, Louisiana, Mississippi, New Mexico, Oklahoma, Tennessee.
Minnesota: North Dakota, South Dakota.
Florida: Maine, Massachusetts, Michigan, New York, Ohio, Pennsylvania, Puerto Rico, US Island areas (presumably mostly from US Virgin Islands)
Massachusetts: New Hampshire, Rhode Island, Vermont.
Pennsylvania: Delaware, New Jersey.
Virginia: Maryland, West Virginia.
Exclusive Destinations (ie the top destination for Wyomingites is Colorado, who are unique in that regard).
Colorado: Wyoming
Maryland: District of Columbia
North Carolina: Virginia (plus South Carolina)
Ohio: Kentucky
New York: Connecticut
Top Source for Persons Moving in Last YearCursed In Multiple States (ie Californians are the dominant outlanders in Arizona and 4 other states)
California: Arizona, Hawaii, Montana, Nevada, Oregon.
Washington: Alaska, Idaho.
Texas: New Mexico, Arkansas, Louisiana, Oklahoma.
Minnesota: North Dakota, South Dakota (done in a nice way).
Illinois: Indiana, Missouri, Wisconsin.
Ohio: Kentucky, West Virginia.
Maryland: Delaware, District Columbia.
Massachusetts: Maine, New Hampshire, Rhode Island, Vermont.
Individual Burden (ie Wyoming is the only state with Coloradoans as the top source)
Colorado: Wyoming.
Mississippi: Tennessee.
Alabama: Georgia.
South Carolina: North Carolina.
Puerto Rico: Florida.
Foreigners are Foreign (ie the largest number were overseas a year earlier)
California, Washington, Utah, Colorado, Nebraska, Texas, Minnesota, Iowa, Illinois, Michigan, Ohio, Tennessee, Massachusetts, Connecticut, New York, New Jersey, Pennsylvania, Maryland, Virgina, North Carolina, Georgia, and Florida.