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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -162 tax returns · +479 people · $-6,434,000 AGI
| County | Returns | AGI |
|---|---|---|
| Cook County, IL | 4,226 | $239,791,000 |
| Porter County, IN | 1,268 | $69,272,000 |
| Will County, IL | 489 | $36,049,000 |
| Marion County, IN | 323 | $10,108,000 |
| LaPorte County, IN | 192 | $8,245,000 |
| DuPage County, IL | 166 | $15,233,000 |
| Jasper County, IN | 126 | $6,368,000 |
| Tippecanoe County, IN | 93 | $3,720,000 |
| Maricopa County, AZ | 88 | $4,665,000 |
| Kankakee County, IL | 74 | $5,006,000 |
| County | Returns | AGI |
|---|---|---|
| Cook County, IL | 2,665 | $117,210,000 |
| Porter County, IN | 1,691 | $101,282,000 |
| Marion County, IN | 468 | $16,340,000 |
| Will County, IL | 281 | $16,024,000 |
| LaPorte County, IN | 226 | $10,727,000 |
| Jasper County, IN | 193 | $10,001,000 |
| Maricopa County, AZ | 145 | $13,615,000 |
| DuPage County, IL | 111 | $10,233,000 |
| Newton County, IN | 109 | $6,706,000 |
| Hamilton County, IN | 107 | $10,523,000 |
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.