This is an increase over the year before, when 20,641 people migrated to Allegheny County.
The number of people moving to Allegheny County is offset by the 24,413 residents who left the area during the same year.
There were 22,570 people who left the year before.
Migration data for the U.S. is based on year-to-year address changes reported on individual income tax returns filed with the IRS.
According to the U.S. Census Bureau, most U.S. regions saw their numbers shrink.
The Northeast region of the U.S. suffered the greatest losses, while the Midwest saw population growth.
The U.S. Census Bureau found migration within the country mainly flows to the South, with many people moving to areas of Florida and Texas.
Total Migration to Allegheny County From Across the U.S.
| Years | Inflow | Outflow | Domestic Migration |
|---|---|---|---|
| 2017-2018 | 21,240 | 23,128 | -1,888 |
| 2018-2019 | 20,641 | 22,570 | -1,929 |
| 2019-2020 | 21,202 | 24,413 | -3,211 |
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