| 1 | O'Fallon city (east-northeast) | $178,159 |
| 2 | Swansea village (east) | $164,583 |
| 3 | O'Fallon city (west-northwest) | $157,197 |
| 4 | Rentchler CDP (southeast) | $155,673 |
| 5 | Scott AFB CDP (northeast) | $155,000 |
| 6 | O'Fallon city (north) | $141,928 |
| 7 | O'Fallon city (southeast) | $135,284 |
| 8 | Mascoutah city | $111,360 |
| 9 | Scott AFB CDP (southwest) | $105,719 |
| 10 | Shiloh village (west-southwest) | $99,432 |
| 11 | Smithton village (south-southeast) | $98,152 |
| 12 | Freeburg village | $95,500 |
| 13 | Millstadt village (south) | $94,786 |
| 14 | Lebanon city (north) | $91,289 |
| 15 | Lebanon city (south) | $88,608 |
| 16 | East Carondelet village (southeast) | $88,333 |
| 17 | Fairview Heights city (west) | $87,375 |
| 18 | Shiloh village (northwest) | $85,243 |
| 19 | New Athens village | $83,269 |
| 20 | Shiloh village (east-southeast) | $82,455 |
| 21 | Swansea village (northeast) | $78,229 |
| 22 | Fairview Heights city (east) | $77,953 |
| 23 | Caseyville village (south) | $77,872 |
| 24 | Shiloh village (south-southwest) | $77,488 |
| 25 | Caseyville village (east-northeast) | $77,438 |
| 26 | Millstadt village (north) | $76,250 |
| 27 | Rentchler CDP (west) | $75,679 |
| 28 | Shiloh village (northeast) | $75,179 |
| 29 | O'Fallon city (south) | $72,618 |
| 30 | Darmstadt CDP | $72,386 |
| 31 | Millstadt village (north-northeast) | $71,115 |
| 32 | Smithton village (north-northwest) | $71,061 |
| 33 | East St. Louis city (north) | $70,254 |
| 34 | Swansea village (west-northwest) | $70,156 |
| 35 | Rentchler CDP (northwest) | $67,638 |
| 36 | Lebanon city (north-northeast) | $65,673 |
| 37 | Fairview Heights city (north) | $63,289 |
| 38 | Millstadt village (west-northwest) | $59,235 |
| 39 | East Carondelet village (northwest) | $56,250 |
| 40 | Belleville city (southeast) | $56,121 |
| 41 | Belleville city (northeast) | $55,785 |
| 42 | Belleville city (south-southwest) | $52,027 |
| 43 | Caseyville village (northeast) | $51,625 |
| 44 | Belleville city (west-northwest) | $50,612 |
| 45 | Belleville city (northwest) | $49,009 |
| 46 | Washington Park village (west-northwest) | $48,582 |
| 47 | Caseyville village (north) | $46,789 |
| 48 | Swansea village (southwest) | $46,052 |
| 49 | Fairmont City village (north) | $43,333 |
| 50 | Rentchler CDP (north-northwest) | $42,024 |
| 51 | Sauget village (west-southwest 1) | $41,543 |
| 52 | Belleville city (east) | $40,714 |
| 53 | East St. Louis city (west-northwest) | $40,334 |
| 54 | Sauget village (north-northeast) | $40,125 |
| 55 | Caseyville village (west) | $40,100 |
| 56 | Caseyville village (west-southwest) | $38,333 |
| 57 | Caseyville village (south-southwest) | $38,182 |
| 58 | Cahokia Heights city | $37,295 |
| 59 | Washington Park village (east-northeast) | $31,938 |
| 60 | Sauget village (west-southwest 2) | $31,661 |
| 61 | East St. Louis city (south-southeast) | $29,653 |
| 62 | Sauget village (east) | $26,343 |
| 63 | Brooklyn village (northeast) | $24,135 |
| 64 | Fairmont City village (south) | $24,066 |
| 65 | Brooklyn village (south) | $20,168 |
| 66 | Brooklyn village (south-southeast) | $18,856 |
| 67 | Brooklyn village (northwest) | $16,712 |