Who's moving to and from St. Clair County, Illinois?

More left than arrived in 2022–23: 10,482 people in, 11,318 out. Most were moving to or from other states.

See where they went ↓
Net change
−836 people
−400 households
Arrivals' income
$58.1k
avg income reported on the second-year tax return
Leavers' income
$62.3k
avg income reported on the second-year tax return

Where people leaving St. Clair County went in Illinois

Orange lines show departures · thicker line = more people

Moves to and from other Illinois counties, 2022–23. Out-of-state moves, like St. Louis County, MO, are listed below.

Where did newcomers come from?

About 7 in 10 came from other states. People, 2022–23.

  1. Madison County1,764
  2. St. Louis County, MO926
  3. St. Louis city, MO692
  4. Monroe County273
  5. Clinton County242
  6. St. Charles County, MO179
  7. Jefferson County, MO142
  8. Smaller moves from many other places (each under 20 households)4,723

Where did people go?

About 7 in 10 who left went to other states. People, 2022–23.

  1. Madison County2,126
  2. St. Louis County, MO1,093
  3. St. Louis city, MO579
  4. Monroe County359
  5. Clinton County257
  6. Jefferson County, MO215
  7. St. Charles County, MO208
  8. Smaller moves to many other places (each under 20 households)4,837

Some numbers are withheld

County flows may be withheld because of fewer than 20 returns or other IRS disclosure rules. We show these as —. It doesn't mean nobody moved.

Arrived from abroad
501 people
Left for abroad
260 people
Net moves with Williamson County
withheld
Net moves with Jefferson County
withheld

Moves abroad are never included in net change.

Is St. Clair usually growing from moves?

No. More households have left than arrived every year since 2013–14.

Net migration · households (tax returns)
13–1414–1515–1616–1717–1818–1919–2020–2121–22−40022–23††‡†
Net migration of St. Clair County (Net migration · households (tax returns))
YearValue
2013–14−982
2014–15 †−566
2015–16−660
2016–17 †−771
2017–18−564
2018–19 ‡−820
2019–20−502
2020–21−793
2021–22−586
2022–23 †−400

The IRS changed its processing in 2014–15, 2016–17 and 2022–23. Compare years between the dotted lines. ‡ County disclosure-method change in 2018–19: small counts began being deleted rather than reassigned to similar categories. County figures across this break may not be comparable.

Cite this page

Moved Where. “Who's moving to and from St. Clair County, Illinois?” movedwhere.com/county/st-clair-county-il. Data: IRS Statistics of Income migration data, 2022–23.