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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +1,447 tax returns · +7,387 people · +$388,868,000 AGI
| County | Returns | AGI |
|---|---|---|
| Los Angeles County, CA | 11,161 | $875,619,000 |
| San Bernardino County, CA | 11,141 | $688,546,000 |
| Orange County, CA | 8,367 | $676,030,000 |
| San Diego County, CA | 6,563 | $529,830,000 |
| Maricopa County, AZ | 810 | $49,833,000 |
| Clark County, NV | 800 | $40,382,000 |
| Imperial County, CA | 398 | $15,256,000 |
| King County, WA | 383 | $69,397,000 |
| Ventura County, CA | 376 | $26,992,000 |
| Santa Clara County, CA | 364 | $59,127,000 |
| County | Returns | AGI |
|---|---|---|
| San Bernardino County, CA | 9,520 | $534,851,000 |
| Los Angeles County, CA | 6,767 | $427,935,000 |
| Orange County, CA | 5,376 | $536,717,000 |
| San Diego County, CA | 5,038 | $347,010,000 |
| Maricopa County, AZ | 1,550 | $102,950,000 |
| Clark County, NV | 1,422 | $108,554,000 |
| Mohave County, AZ | 511 | $49,315,000 |
| Imperial County, CA | 443 | $17,027,000 |
| King County, WA | 370 | $36,106,000 |
| Santa Clara County, CA | 359 | $31,770,000 |
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.