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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +34 tax returns · +509 people · +$22,549,000 AGI
| County | Returns | AGI |
|---|---|---|
| Milwaukee County, WI | 1,143 | $77,028,000 |
| Kenosha County, WI | 1,001 | $60,023,000 |
| Waukesha County, WI | 283 | $25,967,000 |
| Walworth County, WI | 231 | $14,272,000 |
| Lake County, IL | 215 | $23,460,000 |
| Cook County, IL | 180 | $14,010,000 |
| Dane County, WI | 62 | $3,088,000 |
| McHenry County, IL | 52 | $2,668,000 |
| DuPage County, IL | 32 | $2,010,000 |
| Maricopa County, AZ | 31 | $1,759,000 |
| County | Returns | AGI |
|---|---|---|
| Milwaukee County, WI | 976 | $53,110,000 |
| Kenosha County, WI | 773 | $41,876,000 |
| Waukesha County, WI | 347 | $26,711,000 |
| Walworth County, WI | 246 | $25,433,000 |
| Dane County, WI | 148 | $6,501,000 |
| Cook County, IL | 130 | $6,819,000 |
| Lake County, IL | 128 | $7,007,000 |
| Maricopa County, AZ | 46 | $3,186,000 |
| Rock County, WI | 37 | $2,293,000 |
| Washington County, WI | 31 | $2,090,000 |
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.