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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +671 tax returns · +996 people · +$123,719,000 AGI
| County | Returns | AGI |
|---|---|---|
| Weld County, CO | 2,021 | $146,300,000 |
| Boulder County, CO | 984 | $87,978,000 |
| Denver County, CO | 575 | $47,151,000 |
| Jefferson County, CO | 546 | $40,614,000 |
| Adams County, CO | 475 | $27,514,000 |
| Arapahoe County, CO | 373 | $24,745,000 |
| El Paso County, CO | 362 | $21,163,000 |
| Douglas County, CO | 309 | $25,388,000 |
| Maricopa County, AZ | 250 | $21,593,000 |
| Laramie County, WY | 201 | $11,517,000 |
| County | Returns | AGI |
|---|---|---|
| Weld County, CO | 2,730 | $206,120,000 |
| Boulder County, CO | 742 | $53,347,000 |
| Denver County, CO | 741 | $44,602,000 |
| Adams County, CO | 498 | $30,428,000 |
| Jefferson County, CO | 470 | $32,145,000 |
| Arapahoe County, CO | 313 | $17,206,000 |
| El Paso County, CO | 270 | $16,029,000 |
| Laramie County, WY | 240 | $17,717,000 |
| Maricopa County, AZ | 217 | $19,720,000 |
| Douglas County, CO | 208 | $15,247,000 |
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.