Federal Data Hub › IRS Migration Flows · JSON
County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +2,578 tax returns · +5,440 people · +$340,596,000 AGI
| County | Returns | AGI |
|---|---|---|
| Arapahoe County, CO | 4,025 | $430,871,000 |
| Denver County, CO | 2,307 | $264,980,000 |
| Jefferson County, CO | 1,540 | $172,079,000 |
| El Paso County, CO | 765 | $63,937,000 |
| Adams County, CO | 551 | $51,614,000 |
| Maricopa County, AZ | 314 | $36,346,000 |
| Elbert County, CO | 214 | $20,567,000 |
| Los Angeles County, CA | 210 | $35,170,000 |
| Larimer County, CO | 208 | $15,247,000 |
| Boulder County, CO | 192 | $18,450,000 |
| County | Returns | AGI |
|---|---|---|
| Arapahoe County, CO | 2,753 | $257,337,000 |
| Denver County, CO | 1,586 | $149,802,000 |
| Jefferson County, CO | 1,050 | $87,669,000 |
| El Paso County, CO | 729 | $60,838,000 |
| Adams County, CO | 469 | $37,006,000 |
| Elbert County, CO | 400 | $48,078,000 |
| Maricopa County, AZ | 322 | $55,412,000 |
| Larimer County, CO | 309 | $25,388,000 |
| Weld County, CO | 180 | $14,509,000 |
| Boulder County, CO | 179 | $16,935,000 |
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.