St. Clair County, Illinois richest cities

Number of cities: 37
Median household income: 63,017
Richest city: Columbia
Table of cities in St. Clair County, Illinois sorted by household income from richest to poorest.
CityTypeMedian household income (dollars)
Columbiacity102,107
Smithtonvillage99,279
O'Falloncity96,698
Shilohvillage86,292
Millstadtvillage85,845
St. Liboryvillage81,719
Swanseavillage80,331
New Badenvillage79,662
Mascoutahcity79,189
Scott AFBCDP77,400
Lebanoncity75,179
New Athensvillage72,056
Heckervillage71,071
Fairview Heightscity70,825
Freeburgvillage65,188
Collinsvillecity60,793
Saugetvillage59,583
Fayettevillevillage58,472
Bellevillecity56,404
Caseyvillevillage51,667
East Carondeletvillage48,750
Dupovillage47,357
Marissavillage47,262
Summerfieldvillage44,125
Lenzburgvillage43,636
Fairmont Cityvillage39,247
Madisoncity33,958
Cahokiavillage30,556
Washington Parkvillage26,928
East St. Louiscity26,011
Centrevillecity24,088
Alortonvillage19,605
Brooklynvillage-
DarmstadtCDP-
FloravilleCDP-
PaderbornCDP-
RentchlerCDP-

What is the richest city in St. Clair County, Illinois?

Columbia is the richest city in St. Clair County, Illinois with median household income of 102,107.

TOP-5 richest cities in St. Clair County, Illinois:
  • Columbia
  • Smithton
  • O'Fallon
  • Shiloh
  • Millstadt