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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -26 tax returns · +13 people · $-10,949,000 AGI
| County | Returns | AGI |
|---|---|---|
| Cook County, IL | 497 | $25,612,000 |
| Will County, IL | 397 | $24,762,000 |
| Iroquois County, IL | 149 | $7,742,000 |
| Lake County, IN | 69 | $2,674,000 |
| DuPage County, IL | 47 | $2,871,000 |
| Grundy County, IL | 42 | $2,118,000 |
| Champaign County, IL | 33 | $1,240,000 |
| Maricopa County, AZ | 29 | $1,201,000 |
| Livingston County, IL | 21 | $871,000 |
| Kane County, IL | 21 | $1,069,000 |
| County | Returns | AGI |
|---|---|---|
| Cook County, IL | 342 | $16,374,000 |
| Will County, IL | 268 | $17,068,000 |
| Iroquois County, IL | 141 | $6,010,000 |
| Lake County, IN | 74 | $5,006,000 |
| DuPage County, IL | 56 | $3,381,000 |
| Livingston County, IL | 44 | $2,431,000 |
| McLean County, IL | 43 | $2,585,000 |
| Champaign County, IL | 43 | $1,244,000 |
| Maricopa County, AZ | 43 | $1,584,000 |
| Grundy County, IL | 39 | $1,644,000 |
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.