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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +392 tax returns · +1,127 people · +$343,064,000 AGI
| County | Returns | AGI |
|---|---|---|
| Essex County, MA | 1,672 | $197,701,000 |
| Hillsborough County, NH | 1,656 | $154,228,000 |
| Middlesex County, MA | 1,098 | $188,584,000 |
| Strafford County, NH | 790 | $80,188,000 |
| Merrimack County, NH | 384 | $41,362,000 |
| York County, ME | 289 | $23,110,000 |
| Suffolk County, MA | 284 | $111,976,000 |
| Norfolk County, MA | 150 | $18,167,000 |
| Worcester County, MA | 116 | $14,581,000 |
| Belknap County, NH | 107 | $9,655,000 |
| County | Returns | AGI |
|---|---|---|
| Hillsborough County, NH | 1,708 | $130,465,000 |
| Strafford County, NH | 1,037 | $79,869,000 |
| Essex County, MA | 867 | $68,472,000 |
| Middlesex County, MA | 610 | $53,557,000 |
| Merrimack County, NH | 473 | $33,933,000 |
| York County, ME | 376 | $40,432,000 |
| Suffolk County, MA | 273 | $25,931,000 |
| Belknap County, NH | 146 | $18,755,000 |
| Cumberland County, ME | 122 | $11,206,000 |
| Carroll County, NH | 114 | $15,521,000 |
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.