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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -102 tax returns · -136 people · $-8,512,000 AGI
| County | Returns | AGI |
|---|---|---|
| St. Clair County, IL | 145 | $8,249,000 |
| Marion County, IL | 134 | $5,685,000 |
| Madison County, IL | 101 | $5,875,000 |
| Bond County, IL | 22 | $767,000 |
| Washington County, IL | 21 | $696,000 |
| County | Returns | AGI |
|---|---|---|
| St. Clair County, IL | 146 | $7,741,000 |
| Marion County, IL | 126 | $4,852,000 |
| Madison County, IL | 118 | $8,137,000 |
| Washington County, IL | 43 | $2,464,000 |
| St. Louis County, MO | 32 | $1,554,000 |
| Bond County, IL | 29 | $1,417,000 |
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.