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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +113 tax returns · +243 people · +$30,756,000 AGI
| County | Returns | AGI |
|---|---|---|
| Oneida County, WI | 174 | $9,238,000 |
| Dane County, WI | 32 | $5,037,000 |
| Cook County, IL | 32 | $4,491,000 |
| Marathon County, WI | 26 | $4,264,000 |
| Waukesha County, WI | 25 | $2,228,000 |
| Milwaukee County, WI | 25 | $1,991,000 |
| County | Returns | AGI |
|---|---|---|
| Oneida County, WI | 119 | $7,803,000 |
| Dane County, WI | 35 | $3,597,000 |
| Milwaukee County, WI | 25 | $1,200,000 |
| Brown County, WI | 25 | $1,425,000 |
| Marathon County, WI | 24 | $2,993,000 |
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.