Federal Data HubIRS Migration Flows · JSON

Williamson County, TX

County-to-county migration · IRS SOI · filing years 2022-2023

Net migration: +7,478 tax returns · +14,863 people · +$986,904,000 AGI

Inflow
32,697 returns · 58,351 people · $3,183,256,000 AGI
Outflow
25,219 returns · 43,488 people · $2,196,352,000 AGI

Top origins (where new residents came from)

CountyReturnsAGI
Travis County, TX12,394$1,156,357,000
Bell County, TX1,126$65,295,000
Harris County, TX993$105,019,000
Bexar County, TX702$51,051,000
Hays County, TX516$30,836,000
Dallas County, TX483$49,367,000
Los Angeles County, CA377$36,070,000
Tarrant County, TX370$33,310,000
Santa Clara County, CA368$93,326,000
Collin County, TX343$39,913,000

Top destinations (where leavers went)

CountyReturnsAGI
Travis County, TX8,377$665,717,000
Bell County, TX1,249$96,599,000
Harris County, TX740$54,852,000
Hays County, TX717$61,412,000
Bexar County, TX629$46,710,000
Burnet County, TX539$59,392,000
Dallas County, TX409$33,026,000
Bastrop County, TX368$25,308,000
Tarrant County, TX358$28,904,000
Collin County, TX342$40,227,000

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.