In 2019, 11,387 people moved to New Castle County from across the U.S and other countries, according to migration data from the Internal Revenue Service.
This is an increase over the year before, when 10,849 people migrated to New Castle County.
The number of people moving to New Castle County is offset by the 11,413 residents who left the area during the same year.
There were 10,884 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.
| Years | Inflow | Outflow | Domestic Migration |
|---|---|---|---|
| 2017-2018 | 11,086 | 11,183 | -97 |
| 2018-2019 | 10,849 | 10,884 | -35 |
| 2019-2020 | 11,387 | 11,413 | -26 |
