Federal Data Hub › IRS Migration Flows · JSON
County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -25 tax returns · -147 people · $-19,956,000 AGI
| County | Returns | AGI |
|---|---|---|
| Bremer County, IA | 200 | $10,796,000 |
| Linn County, IA | 143 | $5,638,000 |
| Polk County, IA | 127 | $6,693,000 |
| Buchanan County, IA | 123 | $5,670,000 |
| Grundy County, IA | 113 | $6,322,000 |
| Butler County, IA | 87 | $4,171,000 |
| Tama County, IA | 67 | $4,300,000 |
| Johnson County, IA | 63 | $3,129,000 |
| Fayette County, IA | 53 | $1,913,000 |
| Benton County, IA | 46 | $2,556,000 |
| County | Returns | AGI |
|---|---|---|
| Polk County, IA | 244 | $12,332,000 |
| Bremer County, IA | 208 | $12,504,000 |
| Linn County, IA | 176 | $9,282,000 |
| Buchanan County, IA | 99 | $6,207,000 |
| Grundy County, IA | 91 | $6,053,000 |
| Johnson County, IA | 80 | $3,584,000 |
| Butler County, IA | 77 | $3,853,000 |
| Dallas County, IA | 70 | $4,966,000 |
| Tama County, IA | 57 | $3,494,000 |
| Story County, IA | 48 | $2,016,000 |
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.