Federal Data Hub › IRS Migration Flows · JSON
County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -444 tax returns · -547 people · $-51,119,000 AGI
| County | Returns | AGI |
|---|---|---|
| Polk County, IA | 607 | $31,058,000 |
| Boone County, IA | 194 | $10,343,000 |
| Dallas County, IA | 93 | $3,938,000 |
| Marshall County, IA | 92 | $4,096,000 |
| Hamilton County, IA | 88 | $6,633,000 |
| Linn County, IA | 72 | $2,406,000 |
| Webster County, IA | 65 | $2,111,000 |
| Johnson County, IA | 55 | $2,529,000 |
| Hardin County, IA | 52 | $2,128,000 |
| Black Hawk County, IA | 48 | $2,016,000 |
| County | Returns | AGI |
|---|---|---|
| Polk County, IA | 863 | $50,373,000 |
| Boone County, IA | 170 | $11,127,000 |
| Dallas County, IA | 116 | $5,121,000 |
| Linn County, IA | 72 | $2,912,000 |
| Hamilton County, IA | 64 | $4,449,000 |
| Marshall County, IA | 61 | $3,053,000 |
| Cook County, IL | 55 | $1,894,000 |
| Maricopa County, AZ | 53 | $3,091,000 |
| Hennepin County, MN | 51 | $2,728,000 |
| Johnson County, IA | 48 | $2,108,000 |
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.