| 1 | O'Fallon city (east-northeast) | $341,700 |
| 2 | O'Fallon city (north) | $330,400 |
| 3 | Rentchler CDP (southeast) | $329,700 |
| 4 | O'Fallon city (west-northwest) | $313,200 |
| 5 | Swansea village (east) | $308,100 |
| 6 | Shiloh village (west-southwest) | $276,500 |
| 7 | O'Fallon city (southeast) | $273,600 |
| 8 | Shiloh village (east-southeast) | $266,000 |
| 9 | Scott AFB CDP (southwest) | $261,000 |
| 10 | New Athens village | $250,900 |
| 11 | Smithton village (south-southeast) | $243,600 |
| 12 | Lebanon city (north-northeast) | $242,700 |
| 13 | Freeburg village | $235,200 |
| 14 | Mascoutah city | $233,800 |
| 15 | Shiloh village (northwest) | $231,300 |
| 16 | Millstadt village (south) | $230,500 |
| 17 | Lebanon city (south) | $223,200 |
| 18 | Swansea village (northeast) | $219,800 |
| 19 | Millstadt village (west-northwest) | $205,700 |
| 20 | Shiloh village (northeast) | $191,700 |
| 21 | O'Fallon city (south) | $186,400 |
| 22 | Lebanon city (north) | $186,000 |
| 23 | Shiloh village (south-southwest) | $184,900 |
| 24 | Fairview Heights city (east) | $176,000 |
| 25 | Smithton village (north-northwest) | $169,400 |
| 26 | Millstadt village (north) | $168,600 |
| 27 | Caseyville village (east-northeast) | $163,600 |
| 28 | Darmstadt CDP | $160,200 |
| 29 | East Carondelet village (southeast) | $149,200 |
| 30 | Millstadt village (north-northeast) | $148,000 |
| 31 | Rentchler CDP (west) | $147,300 |
| 32 | Fairview Heights city (west) | $145,900 |
| 33 | Fairview Heights city (north) | $128,000 |
| 34 | Rentchler CDP (north-northwest) | $127,900 |
| 35 | Belleville city (northwest) | $125,100 |
| 36 | Belleville city (west-northwest) | $124,400 |
| 37 | Belleville city (east) | $118,900 |
| 38 | Swansea village (west-northwest) | $116,600 |
| 39 | Caseyville village (south) | $113,900 |
| 40 | Belleville city (northeast) | $111,900 |
| 41 | Rentchler CDP (northwest) | $109,200 |
| 42 | East Carondelet village (northwest) | $103,500 |
| 43 | Swansea village (southwest) | $103,300 |
| 44 | Belleville city (southeast) | $95,100 |
| 45 | Caseyville village (northeast) | $92,500 |
| 46 | Belleville city (south-southwest) | $81,100 |
| 47 | Sauget village (west-southwest 2) | $71,100 |
| 48 | East St. Louis city (west-northwest) | $70,600 |
| 49 | Fairmont City village (north) | $65,500 |
| 50 | Caseyville village (north) | $64,500 |
| 51 | Caseyville village (west) | $61,100 |
| 52 | Caseyville village (west-southwest) | $59,500 |
| 53 | Cahokia Heights city | $59,300 |
| 54 | Caseyville village (south-southwest) | $58,900 |
| 55 | East St. Louis city (south-southeast) | $55,000 |
| 56 | Sauget village (west-southwest 1) | $51,500 |
| 57 | Washington Park village (west-northwest) | $51,400 |
| 58 | Sauget village (north-northeast) | $49,300 |
| 59 | East St. Louis city (north) | $48,300 |
| 60 | Brooklyn village (south) | $45,700 |
| 61 | Sauget village (east) | $45,100 |
| 62 | Brooklyn village (south-southeast) | $44,300 |
| 63 | Washington Park village (east-northeast) | $43,200 |
| 64 | Brooklyn village (northwest) | $39,200 |