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This graphic shows the 10 largest state-to-state migration flows in and out of California for the period 1955-1960 compared to that of 1995-2000. In the late 1950s, the largest flows involving California were all inflows to the state, generally from states in the Midwest or Northeast. This pattern contrasted with the flows in the late 1990s, where nearly all of the largest migration streams involving California represented out-migration to other states.

The American Community Survey now provides data annually on state-to-state 1-year migration flows; those data are available at www.census.gov/data/tables/time-series/demo/geographic-mobility/state-to-state-migration.html. Next month, statistics will also be available for every county in the US that show the number of people who moved into or out of the county and which counties they moved to and from. The Census Flows Mapper will also be released at that time to all users to easily view and map the county migration patterns of their choice.

SOURCE: Census 2000 and 1960 Census Subject Reports, Migration Between State Economic Areas, Final Report PC(2)-2E, Washington, DC, 1967.



NOTE: Net migration is based on inflows minus outflows. Values are rounded to the nearest hundred.