Williamson County, IL
Migration of people and income, 2022–2023 filing years
Between the 2022 and 2023 filing years, Williamson County, IL saw a net gain of 105 tax-filing households and a net gain of 305 individuals. On net, the area lost $10.5M in associated adjusted gross income (AGI, nominal dollars). The largest inflow came from Jackson County; the largest outflow went to Jackson County. These figures cover federal income tax filers only and do not indicate why people moved.
Net income (AGI)
-$10.5M
nominal dollars
Net households
+105
tax returns
Net people
+305
exemptions
+4.6 net people per 1,000 residents (population 66,706)
Income (AGI) in and out
Moved in$84.7M
Moved out$95.2M
Net -$10.5M (nominal)
Where movers came from
- 1Jackson County, IL277$12.9M
- 2Franklin County, IL258$11.5M
- 3Saline County, IL97$5.1M
- 4Johnson County, IL72$4.2M
- 5Union County, IL40$3.1M
- 6Jefferson County, IL40$1.6M
- 7Cook County, IL28$1.2M
- 8Perry County, IL26$1.4M
Where movers went
- 1Jackson County, IL239$10.1M
- 2Franklin County, IL212$9.8M
- 3Saline County, IL74$3.4M
- 4Johnson County, IL67$4.5M
- 5St. Clair County, IL39$2.3M
- 6Jefferson County, IL31$1.6M
- 7St. Louis County, MO30$1.7M
- 8Union County, IL29$2.1M
- 9Perry County, IL28$1.6M
- 10Cook County, IL27$1.7M
Net migration by year
Net 2012–2023: -$42.7M (+306 people)
20122023
| Year | Net AGI | Net people |
|---|---|---|
| 2012 | -$5.1M | +85 |
| 2013 | +$7.7M | +353 |
| 2014 | +$3.5M | -30 |
| 2015 | +$473.0K | +132 |
| 2016 | -$7.7M | -73 |
| 2017 | -$13.8M | -338 |
| 2018 | -$2.6M | -48 |
| 2019 | -$8.5M | -255 |
| 2020 | +$1.7M | +191 |
| 2021 | -$2.8M | -126 |
| 2022 | -$4.9M | +110 |
| 2023 | -$10.5M | +305 |
Get the next update for Williamson County, IL
The IRS releases new migration data once a year. Drop your email and we will send the refreshed numbers when they land. No spam, unsubscribe anytime.