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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +61 tax returns · +156 people · +$28,915,000 AGI
| County | Returns | AGI |
|---|---|---|
| Jefferson County, CO | 60 | $10,069,000 |
| Summit County, CO | 58 | $5,037,000 |
| Denver County, CO | 56 | $12,290,000 |
| Arapahoe County, CO | 38 | $6,170,000 |
| Boulder County, CO | 34 | $6,294,000 |
| Larimer County, CO | 31 | $2,347,000 |
| Douglas County, CO | 24 | $3,483,000 |
| El Paso County, CO | 22 | $2,124,000 |
| County | Returns | AGI |
|---|---|---|
| Denver County, CO | 47 | $4,681,000 |
| Jefferson County, CO | 44 | $3,568,000 |
| Arapahoe County, CO | 27 | $1,928,000 |
| Larimer County, CO | 25 | $1,517,000 |
| Douglas County, CO | 20 | $4,164,000 |
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.