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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +26 tax returns · +47 people · +$1,409,000 AGI
| County | Returns | AGI |
|---|---|---|
| Marion County, IL | 51 | $2,316,000 |
| St. Clair County, IL | 44 | $3,075,000 |
| Clinton County, IL | 43 | $2,464,000 |
| Jefferson County, IL | 35 | $1,698,000 |
| Perry County, IL | 26 | $1,552,000 |
| County | Returns | AGI |
|---|---|---|
| St. Clair County, IL | 56 | $3,227,000 |
| Marion County, IL | 36 | $1,830,000 |
| Jefferson County, IL | 26 | $1,555,000 |
| Clinton County, IL | 21 | $696,000 |
| Madison County, IL | 20 | $1,099,000 |
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.