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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +3,029 tax returns · +5,662 people · +$516,448,000 AGI
| County | Returns | AGI |
|---|---|---|
| Wicomico County, MD | 357 | $19,489,000 |
| Montgomery County, MD | 263 | $54,050,000 |
| Baltimore County, MD | 242 | $29,547,000 |
| Anne Arundel County, MD | 218 | $28,358,000 |
| Worcester County, MD | 209 | $16,024,000 |
| Chester County, PA | 174 | $24,290,000 |
| Montgomery County, PA | 135 | $25,638,000 |
| Delaware County, PA | 130 | $13,742,000 |
| Howard County, MD | 119 | $19,629,000 |
| Fairfax County, VA | 118 | $24,188,000 |
| County | Returns | AGI |
|---|---|---|
| Wicomico County, MD | 360 | $15,309,000 |
| Worcester County, MD | 137 | $8,700,000 |
| Philadelphia County, PA | 92 | $6,005,000 |
| Baltimore County, MD | 85 | $7,957,000 |
| Anne Arundel County, MD | 79 | $8,690,000 |
| Montgomery County, MD | 78 | $9,098,000 |
| Chester County, PA | 71 | $6,618,000 |
| Caroline County, MD | 58 | $2,733,000 |
| Montgomery County, PA | 54 | $3,561,000 |
| Baltimore city, MD | 52 | $2,887,000 |
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.