Migration + Wealth Flow Explorer

County

Williamson County, IL

In the IRS's 2022–2023 Statistics of Income migration data, Williamson County, IL recorded 838 households (1,497 people) moving in and 800 households (1,375 people) moving out — a net gained of 38 households and $1.29M in reported adjusted gross income.

The single largest recorded destination was Jackson County, IL: 239 households (398 people) relocated there, taking $10.07M in reported income with them.

At the state level, no destination drew more movers out of Williamson County, IL than Missouri, which accounted for 30 households and $1.70M in reported AGI.

Inbound (reported)

$40.99M

838 households · 1,497 people

Outbound (reported)

$39.70M

800 households · 1,375 people

Net (reported)

$1.29M

38 households · 122 people

States receiving movers

Shaded by reported AGI moving to each state. Hover a state for numbers. County-to-county detail below.

Top destination counties

CountyHouseholdsPeopleReported AGI
Jackson County, IL239398$10.07M
Franklin County, IL212385$9.77M
Johnson County, IL67121$4.55M
Saline County, IL74149$3.39M
St. Clair County, IL3963$2.30M
Union County, IL2962$2.14M
St. Louis County, MO3040$1.70M
Cook County, IL2739$1.67M
Perry County, IL2847$1.62M
Jefferson County, IL3144$1.61M
Madison County, IL2427$890.0K

Where they moved” excludes moves within Williamson County, IL itself. Switch to inbound to see the other direction.