This is an increase over the year before, when 4,465 people migrated to Polk County from across the U.S.
The number of people moving to Polk County is offset by the 12,209 residents who left the area during the same year.
There were 11,008 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 its population 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 Polk County From Across the U.S.
| Years | Inflow | Outflow | Domestic Migration |
|---|---|---|---|
| 2017-2018 | 6,310 | 12,375 | -6,065 |
| 2018-2019 | 4,465 | 11,008 | -6,543 |
| 2019-2020 | 5,357 | 12,209 | -6,852 |
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