The US Census Bureau recently released its annual statistics on population change between July 1, 2015 and July 1, 2016 in the 3,142 counties and county-equivalents that make up the country.
The release included estimates of the components of that population change, including net domestic migration, or how many people moved into a county from somewhere else in the US minus how many people left that county.
Oil-rich counties in North Dakota, Montana, Oklahoma, and Texas all saw big numbers of people moving out. Meanwhile, the northwest Pacific coast and big cities in the south saw high levels of positive net domestic migration.
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