Federal Data Hub › IRS Migration Flows · JSON
County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +407 tax returns · +877 people · +$97,355,000 AGI
| County | Returns | AGI |
|---|---|---|
| Horry County, SC | 486 | $37,363,000 |
| Charleston County, SC | 103 | $7,364,000 |
| Williamsburg County, SC | 91 | $4,236,000 |
| Berkeley County, SC | 52 | $3,058,000 |
| Florence County, SC | 43 | $3,942,000 |
| Mecklenburg County, NC | 42 | $7,048,000 |
| Richland County, SC | 35 | $3,453,000 |
| Greenville County, SC | 31 | $3,510,000 |
| Lexington County, SC | 24 | $1,718,000 |
| York County, SC | 23 | $2,607,000 |
| County | Returns | AGI |
|---|---|---|
| Horry County, SC | 531 | $37,392,000 |
| Charleston County, SC | 102 | $6,855,000 |
| Williamsburg County, SC | 84 | $3,384,000 |
| Richland County, SC | 45 | $1,584,000 |
| Florence County, SC | 43 | $2,876,000 |
| Berkeley County, SC | 42 | $3,515,000 |
| Greenville County, SC | 38 | $2,421,000 |
| Mecklenburg County, NC | 35 | $3,717,000 |
| Lexington County, SC | 25 | $1,416,000 |
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.