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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -3,705 tax returns · -5,288 people · $-376,774,000 AGI
| County | Returns | AGI |
|---|---|---|
| Cook County, IL | 11,143 | $1,237,641,000 |
| Will County, IL | 2,388 | $222,216,000 |
| Kane County, IL | 1,715 | $122,312,000 |
| Kendall County, IL | 523 | $39,662,000 |
| Lake County, IL | 397 | $42,241,000 |
| McHenry County, IL | 250 | $19,088,000 |
| Maricopa County, AZ | 198 | $15,337,000 |
| DeKalb County, IL | 193 | $9,059,000 |
| Los Angeles County, CA | 155 | $19,709,000 |
| Milwaukee County, WI | 139 | $10,463,000 |
| County | Returns | AGI |
|---|---|---|
| Cook County, IL | 8,374 | $716,734,000 |
| Will County, IL | 2,877 | $262,105,000 |
| Kane County, IL | 2,648 | $221,204,000 |
| Kendall County, IL | 967 | $78,920,000 |
| Lake County, IL | 523 | $48,708,000 |
| McHenry County, IL | 448 | $36,601,000 |
| Maricopa County, AZ | 432 | $73,704,000 |
| DeKalb County, IL | 256 | $15,809,000 |
| Los Angeles County, CA | 213 | $21,538,000 |
| Lee County, FL | 183 | $35,097,000 |
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.