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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -20 tax returns · -22 people · +$1,538,000 AGI
| County | Returns | AGI |
|---|---|---|
| Madison County, IL | 293 | $14,624,000 |
| Sangamon County, IL | 131 | $6,368,000 |
| Montgomery County, IL | 90 | $4,311,000 |
| Jersey County, IL | 54 | $2,211,000 |
| St. Clair County, IL | 23 | $1,208,000 |
| County | Returns | AGI |
|---|---|---|
| Madison County, IL | 275 | $12,964,000 |
| Sangamon County, IL | 134 | $6,924,000 |
| Montgomery County, IL | 81 | $3,254,000 |
| Jersey County, IL | 55 | $2,968,000 |
| St. Clair County, IL | 34 | $1,369,000 |
| Morgan County, IL | 27 | $955,000 |
| St. Louis County, MO | 24 | $1,102,000 |
| Greene County, IL | 20 | $1,128,000 |
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.