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Johnson County, IL

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

Net migration: -26 tax returns · +7 people · +$294,000 AGI

Inflow: 249 returns · 451 people · $14,256,000 AGI
Outflow: 275 returns · 444 people · $13,962,000 AGI

Top origins (where new residents came from)

County	Returns	AGI
Williamson County, IL	67	$4,549,000
Union County, IL	21	$1,581,000

Top destinations (where leavers went)

County	Returns	AGI
Williamson County, IL	72	$4,221,000
Union County, IL	23	$1,074,000

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.