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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +1,189 tax returns · +391 people · $-103,049,000 AGI
| County | Returns | AGI |
|---|---|---|
| Cook County, IL | 738 | $62,125,000 |
| Milwaukee County, WI | 728 | $44,995,000 |
| Rock County, WI | 620 | $33,641,000 |
| Columbia County, WI | 453 | $26,525,000 |
| Waukesha County, WI | 399 | $27,918,000 |
| Jefferson County, WI | 388 | $21,826,000 |
| Sauk County, WI | 367 | $18,563,000 |
| Green County, WI | 266 | $17,101,000 |
| Dodge County, WI | 249 | $12,660,000 |
| Hennepin County, MN | 232 | $15,502,000 |
| County | Returns | AGI |
|---|---|---|
| Rock County, WI | 776 | $49,725,000 |
| Milwaukee County, WI | 768 | $41,911,000 |
| Cook County, IL | 761 | $53,955,000 |
| Columbia County, WI | 583 | $46,640,000 |
| Jefferson County, WI | 431 | $24,531,000 |
| Sauk County, WI | 383 | $27,830,000 |
| Hennepin County, MN | 361 | $23,307,000 |
| Waukesha County, WI | 342 | $31,130,000 |
| Green County, WI | 306 | $25,374,000 |
| Dodge County, WI | 217 | $13,500,000 |
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.