Federal Data Hub › IRS Migration Flows · JSON
County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +346 tax returns · +675 people · +$58,621,000 AGI
| County | Returns | AGI |
|---|---|---|
| Hillsborough County, NH | 1,362 | $134,958,000 |
| Rockingham County, NH | 473 | $33,933,000 |
| Belknap County, NH | 424 | $24,862,000 |
| Grafton County, NH | 205 | $16,809,000 |
| Middlesex County, MA | 177 | $19,376,000 |
| Strafford County, NH | 140 | $7,458,000 |
| Essex County, MA | 112 | $11,256,000 |
| Sullivan County, NH | 100 | $12,416,000 |
| Worcester County, MA | 58 | $4,311,000 |
| Cheshire County, NH | 55 | $3,160,000 |
| County | Returns | AGI |
|---|---|---|
| Hillsborough County, NH | 1,059 | $71,454,000 |
| Belknap County, NH | 396 | $26,850,000 |
| Rockingham County, NH | 384 | $41,362,000 |
| Grafton County, NH | 208 | $15,381,000 |
| Strafford County, NH | 132 | $9,275,000 |
| Middlesex County, MA | 128 | $9,168,000 |
| Sullivan County, NH | 121 | $11,915,000 |
| Suffolk County, MA | 79 | $4,984,000 |
| Essex County, MA | 63 | $4,832,000 |
| York County, ME | 57 | $3,520,000 |
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.