Federal Data Hub › IRS Migration Flows · JSON
County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +933 tax returns · +1,617 people · +$41,333,000 AGI
| County | Returns | AGI |
|---|---|---|
| Polk County, IA | 2,531 | $209,978,000 |
| Warren County, IA | 132 | $10,767,000 |
| Story County, IA | 116 | $5,121,000 |
| Johnson County, IA | 74 | $4,247,000 |
| Madison County, IA | 70 | $4,542,000 |
| Black Hawk County, IA | 70 | $4,966,000 |
| Maricopa County, AZ | 57 | $5,271,000 |
| Linn County, IA | 55 | $3,346,000 |
| Boone County, IA | 55 | $3,245,000 |
| Guthrie County, IA | 51 | $4,359,000 |
| County | Returns | AGI |
|---|---|---|
| Polk County, IA | 2,125 | $180,457,000 |
| Warren County, IA | 165 | $16,118,000 |
| Story County, IA | 93 | $3,938,000 |
| Madison County, IA | 85 | $7,418,000 |
| Boone County, IA | 59 | $3,184,000 |
| Maricopa County, AZ | 57 | $6,193,000 |
| Cook County, IL | 55 | $3,745,000 |
| Guthrie County, IA | 54 | $5,016,000 |
| Johnson County, IA | 49 | $2,679,000 |
| Hennepin County, MN | 39 | $3,250,000 |
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.