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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +306 tax returns · +670 people · +$110,736,000 AGI
| County | Returns | AGI |
|---|---|---|
| Strafford County, NH | 194 | $16,483,000 |
| Belknap County, NH | 137 | $13,934,000 |
| Middlesex County, MA | 116 | $28,883,000 |
| Rockingham County, NH | 114 | $15,521,000 |
| Essex County, MA | 101 | $19,191,000 |
| York County, ME | 65 | $5,489,000 |
| Merrimack County, NH | 55 | $3,522,000 |
| Oxford County, ME | 42 | $1,987,000 |
| Grafton County, NH | 41 | $2,363,000 |
| Cumberland County, ME | 41 | $5,753,000 |
| County | Returns | AGI |
|---|---|---|
| Strafford County, NH | 148 | $7,709,000 |
| Rockingham County, NH | 106 | $15,173,000 |
| Belknap County, NH | 80 | $4,564,000 |
| Oxford County, ME | 76 | $3,153,000 |
| Cumberland County, ME | 61 | $4,154,000 |
| York County, ME | 51 | $2,822,000 |
| Middlesex County, MA | 50 | $10,477,000 |
| Grafton County, NH | 46 | $2,753,000 |
| Essex County, MA | 33 | $3,866,000 |
| Suffolk County, MA | 32 | $2,976,000 |
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.