List of all cities and towns in Saint Clair County
St. Clair County is the ninth most populous county in Illinois.
It is in the southern part of the state, along the Mississippi River, on the border with Missouri.
The county is right east of St. Louis and is part of the Greater St. Louis metropolitan area. It is in the Metro East zone.
As of the 2020 US census, there were 257,400 people living in St. Clair County.
This made it the third most popular county in Illinois outside of the Chicago metro area. The county seat and biggest city is Belleville.
The US Census Bureau says that the county covers 674 square miles (1,750 km2), of which 658 square miles (1,700 km2) are land and 16 square miles (41 km2) are water, or 2.4%.
Here is a list of cities, towns, places, and villages in Saint Clair County, Illinois:
1. Alorton
2. Avery Hill
3. Belleville
4. Birkner
5. Bixby
6. Bluffside
7. Bohleysville
8. Briar Hill
9. Brooklyn
10. Bunkum
11. Cahokia
12. Capitol Oaks
13. Carbon
14. Caseyville
15. Centerville Station
16. Centreville
17. Collinsville
18. Columbia
19. Crest Hill
20. Crossroads
21. Darmstadt
22. Douglas
23. Dupo
24. Dutch Hollow
25. East Carondelet
26. East Saint Louis
27. Edgemont
28. Exermont
29. Fairmont City
30. Fairview Heights
31. Falling Spring
32. Fayetteville
33. Floraville
34. Freeburg
35. French Village
36. Furman
37. Gartside
38. Glenview
39. Golden Gardens
40. Hilltop
41. Hollywood Heights
42. Imbs
43. Lake Siding
44. Lebanon
45. Lementon
46. Lenzburg
47. Madison
48. Maplewood Park
49. Marissa
50. Mascoutah
51. Miller
52. Millstadt
53. National City
54. New Athens
55. New Baden
56. North Dupo
57. Notre Dame
58. OFallon
59. Oak Hills
60. Ogles
61. Old Marissa
62. Paderborn
63. Petersburg
64. Phelps
65. Pontiac
66. Rentchler
67. Roachtown
68. Rodemich
69. Rose Lake
70. Rosemont
71. Royal Heights
72. Saint Libory
73. Sauget
74. Scott AFB
75. Shiloh Station
76. Shiloh
77. Signal Hill
78. Smithton
79. Sterling Place
80. Stolle
81. Sugarloaf Heights
82. Summerfield
83. Summit
84. Swansea
85. Tillman
86. Union Hill
87. Vulcan
88. Washington Park
89. Westview
90. Whiteoak
91. Wilderman
92. Woodcrest