Federal Data Hub › IRS Migration Flows · JSON
County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +41 tax returns · +244 people · +$8,580,000 AGI
| County | Returns | AGI |
|---|---|---|
| Union County, NC | 116 | $10,363,000 |
| Darlington County, SC | 101 | $4,663,000 |
| Marlboro County, SC | 63 | $1,807,000 |
| Mecklenburg County, NC | 52 | $2,160,000 |
| Lancaster County, SC | 47 | $1,643,000 |
| Anson County, NC | 38 | $1,166,000 |
| Florence County, SC | 29 | $1,049,000 |
| York County, SC | 25 | $1,295,000 |
| Horry County, SC | 20 | $556,000 |
| County | Returns | AGI |
|---|---|---|
| Darlington County, SC | 103 | $4,410,000 |
| Union County, NC | 85 | $3,546,000 |
| Marlboro County, SC | 57 | $1,670,000 |
| Florence County, SC | 48 | $2,578,000 |
| Mecklenburg County, NC | 44 | $1,618,000 |
| Lancaster County, SC | 43 | $1,702,000 |
| York County, SC | 27 | $965,000 |
| Anson County, NC | 22 | $884,000 |
| Richland County, SC | 21 | $1,066,000 |
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.