| 1 | Roscoe village (east-northeast) | $312,500 |
| 2 | Rockford city (northeast 4) | $252,700 |
| 3 | Machesney Park village (northeast) | $232,600 |
| 4 | Rockton village (west-southwest) | $230,700 |
| 5 | Rockford city (east 1) | $222,800 |
| 6 | Roscoe village (northwest) | $219,600 |
| 7 | Cherry Valley village (south-southwest) | $215,400 |
| 8 | Rockford city (northeast 3) | $205,100 |
| 9 | Rockford city (east-northeast 4) | $203,900 |
| 10 | Winnebago village | $203,400 |
| 11 | Rockford city (north-northwest 6) | $201,200 |
| 12 | Cherry Valley village (north-northeast) | $197,400 |
| 13 | Rockford city (east-northeast 3) | $196,800 |
| 14 | Machesney Park village (north-northeast) | $196,500 |
| 15 | Loves Park city (east-northeast) | $195,700 |
| 16 | Lake Summerset CDP | $194,800 |
| 17 | Rockford city (east-northeast 2) | $191,700 |
| 18 | Roscoe village (south-southwest) | $191,300 |
| 19 | Rockford city (east-northeast 1) | $186,400 |
| 20 | Rockford city (east-southeast 4) | $184,200 |
| 21 | Loves Park city (east) | $183,700 |
| 22 | Rockton village (east-northeast) | $183,600 |
| 23 | Rockford city (west 4) | $181,300 |
| 24 | Rockford city (north-northeast 1) | $177,300 |
| 25 | Rockford city (south-southeast 4) | $176,800 |
| 26 | Pecatonica village | $172,300 |
| 27 | Cherry Valley village (northwest) | $166,600 |
| 28 | Rockford city (south 3) | $166,300 |
| 29 | Rockford city (northeast 2) | $158,900 |
| 30 | South Beloit city (east) | $158,600 |
| 31 | Loves Park city (north) | $158,200 |
| 32 | Rockford city (south-southwest 2) | $155,700 |
| 33 | Rockford city (north 1) | $151,000 |
| 34 | Machesney Park village (southwest 1) | $150,800 |
| 35 | Rockford city (north-northeast 2) | $149,900 |
| 36 | Rockford city (west-southwest 1) | $146,500 |
| 37 | Rockford city (north-northwest 1) | $142,100 |
| 38 | Rockford city (north-northwest 3) | $139,800 |
| 39 | Loves Park city (southeast) | $130,100 |
| 40 | Rockford city (east-southeast 2) | $128,100 |
| 41 | Rockford city (east 2) | $127,800 |
| 42 | Machesney Park village (west-southwest) | $125,200 |
| 43 | Rockford city (northeast 1) | $124,400 |
| 44 | Rockford city (north-northwest 4) | $123,500 |
| 45 | Loves Park city (west-southwest) | $120,300 |
| 46 | Loves Park city (southwest) | $119,300 |
| 47 | Rockford city (east-southeast 3) | $119,300 |
| 48 | Rockford city (northwest 3) | $115,800 |
| 49 | South Beloit city (west) | $114,000 |
| 50 | Machesney Park village (southwest 2) | $113,000 |
| 51 | Rockford city (north 2) | $109,600 |
| 52 | Rockford city (east-southeast 1) | $108,400 |
| 53 | Rockford city (south-southeast 2) | $104,500 |
| 54 | Rockford city (southeast 1) | $103,600 |
| 55 | Rockford city (southeast 2) | $99,200 |
| 56 | Loves Park city (west) | $98,500 |
| 57 | Rockford city (south-southeast 3) | $97,500 |
| 58 | Rockford city (west 1) | $91,700 |
| 59 | Rockford city (northwest 1) | $88,600 |
| 60 | Rockford city (south 1) | $88,600 |
| 61 | Rockford city (north-northwest 5) | $88,300 |
| 62 | Rockford city (south 2) | $87,300 |
| 63 | Rockford city (south-southeast 1) | $86,500 |
| 64 | Rockford city (north-northwest 2) | $82,600 |
| 65 | Rockford city (west-southwest 5) | $78,400 |
| 66 | Rockford city (south-southwest 1) | $76,900 |
| 67 | Rockford city (west-northwest 4) | $75,200 |
| 68 | Rockford city (northwest 2) | $73,400 |
| 69 | Rockford city (west-northwest 1) | $73,100 |
| 70 | Rockford city (west-southwest 3) | $71,500 |
| 71 | Rockford city (west-southwest 4) | $67,300 |
| 72 | Rockford city (west-southwest 2) | $57,900 |
| 73 | Rockford city (west 2) | $57,700 |
| 74 | Rockford city (south-southwest 6) | $56,200 |
| 75 | Rockford city (west-northwest 3) | $53,200 |
| 76 | Rockford city (south-southwest 4) | $50,200 |
| 77 | Rockford city (west 3) | $47,600 |
| 78 | Rockford city (west-northwest 2) | $47,300 |
| 79 | Rockford city (south-southwest 5) | $46,800 |