Federal Data Hub › IRS Migration Flows · JSON
County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +19 tax returns · -47 people · +$16,548,000 AGI
| County | Returns | AGI |
|---|---|---|
| Boulder County, CO | 36 | $6,514,000 |
| Denver County, CO | 32 | $4,243,000 |
| El Paso County, CO | 24 | $1,713,000 |
| Jefferson County, CO | 22 | $1,548,000 |
| Arapahoe County, CO | 21 | $1,634,000 |
| County | Returns | AGI |
|---|---|---|
| Jefferson County, CO | 34 | $1,270,000 |
| Montrose County, CO | 29 | $2,062,000 |
| Delta County, CO | 26 | $1,703,000 |
| Mesa County, CO | 22 | $1,182,000 |
| Denver County, CO | 21 | $2,143,000 |
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.