Where Are People Moving in New Castle, DE?
IRS county-to-county migration, 2023 tax year (released about two years after the tax year it covers).
People moving in
8,163
People moving out
7,282
Net migration
+591
New Castle, DE is a net gainer of residents. In the latest IRS data (2023 tax year), 8,163 people moved in and 7,282 moved out, for a net gain of +591. Sustained inflows like this are one of the strongest long-run signals of housing demand.
Migration is most useful read alongside the rest of the market. People move for jobs, affordability, climate, and lifestyle, and where they come from and go to says a lot about what a county is competing on. Below are the specific counties driving New Castle, DE’s flows in each direction.
Top counties people moved to New Castle, DE from
| Origin county | Returns | People |
|---|---|---|
| Philadelphia, PAPennsylvania | 1,201 | 2,129 |
| Delaware, PAPennsylvania | 1,114 | 1,997 |
| Chester, PAPennsylvania | 692 | 1,083 |
| Cecil, MDMaryland | 533 | 878 |
| Montgomery, PAPennsylvania | 277 | 440 |
| Kings, NYNew York | 206 | 358 |
| Camden, NJNew Jersey | 200 | 335 |
| Gloucester, NJNew Jersey | 159 | 245 |
| Queens, NYNew York | 133 | 226 |
| Salem, NJNew Jersey | 123 | 198 |
Top counties people left New Castle, DE for
| Destination county | Returns | People |
|---|---|---|
| Philadelphia, PAPennsylvania | 881 | 1,299 |
| Delaware, PAPennsylvania | 716 | 1,243 |
| Chester, PAPennsylvania | 647 | 1,179 |
| Cecil, MDMaryland | 643 | 1,151 |
| Montgomery, PAPennsylvania | 200 | 300 |
| New York, NYNew York | 130 | 142 |
| Camden, NJNew Jersey | 111 | 186 |
| Salem, NJNew Jersey | 107 | 166 |
| Kings, NYNew York | 106 | 143 |
| Gloucester, NJNew Jersey | 106 | 168 |
“Returns” counts tax returns (a household proxy) that moved along each flow; “People” counts the individuals on those returns, when reported. IRS aggregate and foreign pseudo-rows are excluded. Informational only, not financial advice.
Frequently asked questions
Are people moving to New Castle, DE or leaving?
New Castle, DE had a net gain of +591 residents in the latest IRS data (2023 tax year), with 8,163 people moving in and 7,282 moving out. Net migration is inflow minus outflow.
Where are people moving to New Castle, DE from?
The largest sources of new New Castle, DE residents are Philadelphia, PA, Delaware, PA, Chester, PA. The full top-ten list of origin counties is in the table above.
Where do people leaving New Castle, DE go?
People leaving New Castle, DE most often move to Philadelphia, PA, Delaware, PA, Chester, PA. The full top-ten list of destination counties is in the table above.
What does New Castle, DE migration mean for housing?
Migration is a leading demand signal. Sustained net inflows tend to support rents and home prices when supply cannot keep up, while net outflows can soften them. Read this alongside New Castle, DE's price forecast, building permits, and affordability on the full county dashboard before drawing a conclusion.
How current is this New Castle, DE migration data?
It comes from IRS Statistics of Income county-to-county migration data, which is released about two years after the tax year it covers; the figures above reflect the 2023 tax year. That lag is normal for this dataset, which counts actual tax returns rather than survey estimates.