Federal Data Hub › IRS Migration Flows · JSON
County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -202 tax returns · +507 people · $-12,354,000 AGI
| County | Returns | AGI |
|---|---|---|
| Baltimore County, MD | 842 | $69,532,000 |
| Howard County, MD | 461 | $45,649,000 |
| Frederick County, MD | 363 | $30,532,000 |
| Anne Arundel County, MD | 278 | $25,659,000 |
| Montgomery County, MD | 231 | $18,867,000 |
| Baltimore city, MD | 199 | $16,131,000 |
| York County, PA | 156 | $9,176,000 |
| Adams County, PA | 91 | $4,680,000 |
| Prince George's County, MD | 87 | $7,499,000 |
| Harford County, MD | 53 | $4,102,000 |
| County | Returns | AGI |
|---|---|---|
| Baltimore County, MD | 593 | $42,134,000 |
| Frederick County, MD | 352 | $27,908,000 |
| York County, PA | 313 | $22,041,000 |
| Howard County, MD | 247 | $20,562,000 |
| Adams County, PA | 171 | $12,544,000 |
| Baltimore city, MD | 166 | $11,213,000 |
| Anne Arundel County, MD | 158 | $12,605,000 |
| Montgomery County, MD | 124 | $8,507,000 |
| Sussex County, DE | 75 | $11,334,000 |
| Washington County, MD | 73 | $3,747,000 |
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.