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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +351 tax returns · +381 people · $-30,742,000 AGI
| County | Returns | AGI |
|---|---|---|
| Rockingham County, NH | 1,037 | $79,869,000 |
| York County, ME | 473 | $27,387,000 |
| Hillsborough County, NH | 291 | $19,554,000 |
| Essex County, MA | 225 | $15,865,000 |
| Middlesex County, MA | 150 | $14,805,000 |
| Carroll County, NH | 148 | $7,709,000 |
| Merrimack County, NH | 132 | $9,275,000 |
| Belknap County, NH | 118 | $5,860,000 |
| Suffolk County, MA | 56 | $6,234,000 |
| Cumberland County, ME | 50 | $3,018,000 |
| County | Returns | AGI |
|---|---|---|
| Rockingham County, NH | 790 | $80,188,000 |
| York County, ME | 545 | $32,837,000 |
| Hillsborough County, NH | 219 | $16,567,000 |
| Carroll County, NH | 194 | $16,483,000 |
| Merrimack County, NH | 140 | $7,458,000 |
| Belknap County, NH | 132 | $8,454,000 |
| Essex County, MA | 103 | $8,224,000 |
| Middlesex County, MA | 95 | $6,024,000 |
| Cumberland County, ME | 74 | $5,579,000 |
| Suffolk County, MA | 72 | $5,247,000 |
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.