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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -11 tax returns · +8 people · $-636,000 AGI
| County | Returns | AGI |
|---|---|---|
| Madison County, IL | 87 | $4,887,000 |
| Fayette County, IL | 29 | $1,296,000 |
| Clinton County, IL | 29 | $1,417,000 |
| Montgomery County, IL | 24 | $825,000 |
| County | Returns | AGI |
|---|---|---|
| Madison County, IL | 86 | $3,800,000 |
| Montgomery County, IL | 30 | $1,269,000 |
| Fayette County, IL | 26 | $1,034,000 |
| Clinton County, IL | 22 | $767,000 |
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.