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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +797 tax returns · +1,422 people · +$95,065,000 AGI
| County | Returns | AGI |
|---|---|---|
| Garfield County, CO | 237 | $12,909,000 |
| Jefferson County, CO | 191 | $15,574,000 |
| Montrose County, CO | 145 | $7,186,000 |
| Delta County, CO | 137 | $5,615,000 |
| Denver County, CO | 132 | $14,668,000 |
| Arapahoe County, CO | 108 | $5,670,000 |
| El Paso County, CO | 103 | $5,631,000 |
| Larimer County, CO | 88 | $4,981,000 |
| Douglas County, CO | 79 | $7,264,000 |
| Adams County, CO | 75 | $3,675,000 |
| County | Returns | AGI |
|---|---|---|
| Delta County, CO | 151 | $7,594,000 |
| Garfield County, CO | 131 | $6,274,000 |
| Montrose County, CO | 118 | $6,149,000 |
| Jefferson County, CO | 108 | $4,144,000 |
| Larimer County, CO | 91 | $5,685,000 |
| Denver County, CO | 83 | $3,380,000 |
| Arapahoe County, CO | 78 | $4,252,000 |
| Weld County, CO | 74 | $4,073,000 |
| Maricopa County, AZ | 72 | $5,528,000 |
| Adams County, CO | 70 | $3,982,000 |
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.