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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +38 tax returns · +108 people · $-1,361,000 AGI
| County | Returns | AGI |
|---|---|---|
| Dane County, WI | 431 | $24,531,000 |
| Waukesha County, WI | 355 | $26,024,000 |
| Dodge County, WI | 268 | $12,903,000 |
| Walworth County, WI | 178 | $8,247,000 |
| Rock County, WI | 133 | $8,102,000 |
| Milwaukee County, WI | 128 | $6,979,000 |
| Columbia County, WI | 32 | $1,963,000 |
| Cook County, IL | 29 | $2,653,000 |
| Washington County, WI | 25 | $1,179,000 |
| Fond du Lac County, WI | 24 | $1,143,000 |
| County | Returns | AGI |
|---|---|---|
| Dane County, WI | 388 | $21,826,000 |
| Waukesha County, WI | 332 | $21,432,000 |
| Dodge County, WI | 268 | $13,593,000 |
| Rock County, WI | 194 | $10,642,000 |
| Walworth County, WI | 141 | $6,960,000 |
| Milwaukee County, WI | 114 | $5,869,000 |
| Columbia County, WI | 38 | $1,770,000 |
| Washington County, WI | 36 | $2,100,000 |
| Cook County, IL | 21 | $1,852,000 |
| Winnebago County, IL | 20 | $1,189,000 |
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.