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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -76 tax returns · -110 people · $-2,092,000 AGI
| County | Returns | AGI |
|---|---|---|
| Williamson County, IL | 212 | $9,773,000 |
| Jefferson County, IL | 56 | $2,023,000 |
| Jackson County, IL | 41 | $1,567,000 |
| Perry County, IL | 36 | $1,574,000 |
| Saline County, IL | 23 | $944,000 |
| Hamilton County, IL | 20 | $930,000 |
| County | Returns | AGI |
|---|---|---|
| Williamson County, IL | 258 | $11,487,000 |
| Jefferson County, IL | 75 | $3,428,000 |
| Jackson County, IL | 46 | $1,439,000 |
| Perry County, IL | 27 | $1,157,000 |
| Saline County, IL | 25 | $941,000 |
| Hamilton County, IL | 25 | $948,000 |
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.