Federal Data Hub › IRS Migration Flows · JSON
County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +289 tax returns · +604 people · +$17,726,000 AGI
| County | Returns | AGI |
|---|---|---|
| Cumberland County, PA | 489 | $24,859,000 |
| Washington County, MD | 486 | $27,455,000 |
| Adams County, PA | 179 | $9,193,000 |
| Frederick County, MD | 140 | $8,664,000 |
| York County, PA | 83 | $4,186,000 |
| Berkeley County, WV | 79 | $4,059,000 |
| Fulton County, PA | 77 | $4,311,000 |
| Dauphin County, PA | 60 | $2,570,000 |
| Lancaster County, PA | 39 | $2,246,000 |
| Montgomery County, MD | 38 | $4,955,000 |
| County | Returns | AGI |
|---|---|---|
| Cumberland County, PA | 518 | $24,530,000 |
| Washington County, MD | 304 | $14,785,000 |
| Adams County, PA | 144 | $8,635,000 |
| Frederick County, MD | 90 | $6,421,000 |
| Berkeley County, WV | 89 | $4,263,000 |
| York County, PA | 84 | $4,147,000 |
| Fulton County, PA | 76 | $4,141,000 |
| Dauphin County, PA | 58 | $2,864,000 |
| Lancaster County, PA | 43 | $2,154,000 |
| Allegheny County, PA | 43 | $3,028,000 |
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.