Federal Data Hub › IRS Migration Flows · JSON
County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +301 tax returns · +879 people · +$57,956,000 AGI
| County | Returns | AGI |
|---|---|---|
| York County, PA | 823 | $45,103,000 |
| Carroll County, MD | 171 | $12,544,000 |
| Frederick County, MD | 153 | $14,421,000 |
| Franklin County, PA | 144 | $8,635,000 |
| Cumberland County, PA | 137 | $8,464,000 |
| Baltimore County, MD | 62 | $4,093,000 |
| Dauphin County, PA | 50 | $3,134,000 |
| Anne Arundel County, MD | 45 | $3,956,000 |
| Montgomery County, MD | 42 | $5,604,000 |
| Lancaster County, PA | 38 | $3,079,000 |
| County | Returns | AGI |
|---|---|---|
| York County, PA | 837 | $44,792,000 |
| Franklin County, PA | 179 | $9,193,000 |
| Cumberland County, PA | 144 | $8,266,000 |
| Carroll County, MD | 91 | $4,680,000 |
| Frederick County, MD | 62 | $3,986,000 |
| Dauphin County, PA | 45 | $2,147,000 |
| Lancaster County, PA | 42 | $2,497,000 |
| Baltimore County, MD | 33 | $1,884,000 |
| Allegheny County, PA | 24 | $1,066,000 |
| Washington County, MD | 24 | $1,021,000 |
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.