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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -191 tax returns · -451 people · +$25,750,000 AGI
| County | Returns | AGI |
|---|---|---|
| Denver County, CO | 183 | $34,422,000 |
| Jefferson County, CO | 93 | $15,704,000 |
| Boulder County, CO | 50 | $6,972,000 |
| Eagle County, CO | 42 | $2,925,000 |
| Arapahoe County, CO | 41 | $5,178,000 |
| Douglas County, CO | 35 | $9,759,000 |
| El Paso County, CO | 31 | $2,880,000 |
| Maricopa County, AZ | 31 | $3,178,000 |
| Larimer County, CO | 28 | $2,039,000 |
| Lake County, CO | 26 | $1,763,000 |
| County | Returns | AGI |
|---|---|---|
| Denver County, CO | 161 | $24,733,000 |
| Jefferson County, CO | 122 | $13,954,000 |
| Arapahoe County, CO | 66 | $9,188,000 |
| Grand County, CO | 58 | $5,037,000 |
| Park County, CO | 51 | $4,005,000 |
| Lake County, CO | 41 | $1,986,000 |
| Boulder County, CO | 41 | $4,938,000 |
| Larimer County, CO | 39 | $3,236,000 |
| Douglas County, CO | 37 | $8,584,000 |
| El Paso County, CO | 34 | $2,537,000 |
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.