Federal Data Hub › IRS Migration Flows · JSON
County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +1,478 tax returns · +1,221 people · $-32,008,000 AGI
| County | Returns | AGI |
|---|---|---|
| Denver County, CO | 5,110 | $321,390,000 |
| Jefferson County, CO | 3,327 | $223,644,000 |
| Arapahoe County, CO | 3,155 | $175,879,000 |
| Weld County, CO | 1,123 | $68,501,000 |
| Broomfield County, CO | 1,031 | $88,216,000 |
| Boulder County, CO | 960 | $66,888,000 |
| Larimer County, CO | 498 | $30,428,000 |
| Douglas County, CO | 469 | $37,006,000 |
| El Paso County, CO | 373 | $19,328,000 |
| Maricopa County, AZ | 237 | $16,651,000 |
| County | Returns | AGI |
|---|---|---|
| Denver County, CO | 3,626 | $218,526,000 |
| Jefferson County, CO | 2,833 | $182,022,000 |
| Arapahoe County, CO | 2,708 | $146,510,000 |
| Weld County, CO | 2,058 | $149,995,000 |
| Broomfield County, CO | 969 | $102,197,000 |
| Boulder County, CO | 745 | $75,249,000 |
| Douglas County, CO | 551 | $51,614,000 |
| Larimer County, CO | 475 | $27,514,000 |
| El Paso County, CO | 433 | $26,107,000 |
| Maricopa County, AZ | 237 | $16,388,000 |
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.