Federal Data HubIRS Migration Flows · JSON

Grundy County, IL

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

Net migration: -1 tax returns · +123 people · $-4,625,000 AGI

Inflow
1,580 returns · 2,722 people · $103,709,000 AGI
Outflow
1,581 returns · 2,599 people · $108,334,000 AGI

Top origins (where new residents came from)

CountyReturnsAGI
Will County, IL710$46,489,000
Cook County, IL150$11,694,000
LaSalle County, IL95$7,764,000
Kendall County, IL86$7,340,000
DuPage County, IL68$3,783,000
Livingston County, IL60$2,772,000
Kankakee County, IL39$1,644,000
Kane County, IL28$1,426,000

Top destinations (where leavers went)

CountyReturnsAGI
Will County, IL502$32,896,000
LaSalle County, IL138$7,727,000
Cook County, IL124$6,681,000
Livingston County, IL73$4,546,000
Kendall County, IL62$4,241,000
DuPage County, IL50$4,272,000
Kankakee County, IL42$2,118,000

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.