Federal Data Hub › IRS Migration Flows · JSON
County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -842 tax returns · -202 people · $-106,718,000 AGI
| County | Returns | AGI |
|---|---|---|
| Montgomery County, PA | 2,166 | $268,964,000 |
| Delaware County, PA | 1,839 | $242,819,000 |
| Philadelphia County, PA | 1,096 | $130,998,000 |
| New Castle County, DE | 647 | $71,001,000 |
| Lancaster County, PA | 594 | $40,466,000 |
| Berks County, PA | 408 | $28,105,000 |
| Bucks County, PA | 326 | $30,695,000 |
| Allegheny County, PA | 112 | $10,935,000 |
| Cecil County, MD | 108 | $9,802,000 |
| Camden County, NJ | 102 | $10,317,000 |
| County | Returns | AGI |
|---|---|---|
| Montgomery County, PA | 2,020 | $217,185,000 |
| Delaware County, PA | 1,187 | $180,461,000 |
| Philadelphia County, PA | 1,032 | $98,620,000 |
| Lancaster County, PA | 767 | $50,651,000 |
| New Castle County, DE | 692 | $85,475,000 |
| Berks County, PA | 534 | $36,767,000 |
| New York County, NY | 222 | $23,095,000 |
| Bucks County, PA | 209 | $23,892,000 |
| Sussex County, DE | 174 | $24,290,000 |
| Cecil County, MD | 141 | $9,533,000 |
IRS migration data tracks where tax filers lived in consecutive years. A "return" is roughly a household; "AGI" is the adjusted gross income that moved with them. Net migration = inflow − outflow. Small county-pair flows are suppressed by the IRS for privacy and shown blank.
Source: IRS SOI Migration Data. License: CC0 1.0.