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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +2,016 tax returns · -3,502 people · $-291,553,000 AGI
| County | Returns | AGI |
|---|---|---|
| Arapahoe County, CO | 7,829 | $801,089,000 |
| Jefferson County, CO | 5,051 | $376,424,000 |
| Adams County, CO | 3,626 | $218,526,000 |
| Douglas County, CO | 1,586 | $149,802,000 |
| Boulder County, CO | 1,300 | $95,512,000 |
| El Paso County, CO | 865 | $58,447,000 |
| Cook County, IL | 835 | $98,606,000 |
| Larimer County, CO | 741 | $44,602,000 |
| Los Angeles County, CA | 646 | $65,236,000 |
| Maricopa County, AZ | 571 | $48,215,000 |
| County | Returns | AGI |
|---|---|---|
| Arapahoe County, CO | 8,748 | $751,310,000 |
| Jefferson County, CO | 7,255 | $696,810,000 |
| Adams County, CO | 5,110 | $321,390,000 |
| Douglas County, CO | 2,307 | $264,980,000 |
| Boulder County, CO | 1,036 | $134,546,000 |
| El Paso County, CO | 726 | $46,546,000 |
| Larimer County, CO | 575 | $47,151,000 |
| Weld County, CO | 543 | $36,575,000 |
| Los Angeles County, CA | 530 | $55,143,000 |
| Cook County, IL | 520 | $71,376,000 |
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.