| 1 | Roscoe village (east-northeast) | $136,765 |
| 2 | Roscoe village (northwest) | $127,578 |
| 3 | Rockton village (west-southwest) | $121,293 |
| 4 | Loves Park city (east-northeast) | $119,286 |
| 5 | Machesney Park village (northeast) | $118,611 |
| 6 | Rockford city (northeast 3) | $110,116 |
| 7 | Rockford city (east-northeast 2) | $109,421 |
| 8 | Rockford city (east-northeast 3) | $107,411 |
| 9 | Rockford city (east-northeast 4) | $98,661 |
| 10 | Cherry Valley village (south-southwest) | $96,702 |
| 11 | Pecatonica village | $94,375 |
| 12 | Lake Summerset CDP | $94,250 |
| 13 | Rockford city (north-northwest 6) | $93,316 |
| 14 | Loves Park city (east) | $92,564 |
| 15 | Rockford city (south 3) | $90,985 |
| 16 | Winnebago village | $90,839 |
| 17 | Rockford city (northwest 3) | $90,125 |
| 18 | Roscoe village (south-southwest) | $88,393 |
| 19 | Loves Park city (north) | $88,173 |
| 20 | Cherry Valley village (north-northeast) | $86,500 |
| 21 | Cherry Valley village (northwest) | $85,962 |
| 22 | Rockford city (northeast 1) | $82,917 |
| 23 | Rockford city (north-northwest 1) | $80,774 |
| 24 | Machesney Park village (north-northeast) | $78,571 |
| 25 | Rockton village (east-northeast) | $77,941 |
| 26 | Machesney Park village (southwest 1) | $76,875 |
| 27 | Rockford city (east-southeast 2) | $76,684 |
| 28 | Rockford city (northeast 4) | $76,000 |
| 29 | Rockford city (north-northeast 1) | $73,524 |
| 30 | Rockford city (northeast 2) | $73,438 |
| 31 | Rockford city (south-southwest 2) | $72,984 |
| 32 | Rockford city (east-northeast 1) | $72,725 |
| 33 | Rockford city (north-northeast 2) | $71,968 |
| 34 | Rockford city (east 2) | $71,750 |
| 35 | Rockford city (north 1) | $71,623 |
| 36 | South Beloit city (east) | $69,883 |
| 37 | Rockford city (east-southeast 4) | $69,808 |
| 38 | Machesney Park village (west-southwest) | $62,940 |
| 39 | Rockford city (south-southeast 4) | $62,095 |
| 40 | Rockford city (south-southeast 3) | $61,548 |
| 41 | Rockford city (east-southeast 3) | $58,390 |
| 42 | Rockford city (east 1) | $57,969 |
| 43 | South Beloit city (west) | $57,092 |
| 44 | Machesney Park village (southwest 2) | $56,210 |
| 45 | Rockford city (south-southeast 2) | $56,083 |
| 46 | Loves Park city (southwest) | $55,439 |
| 47 | Rockford city (west 1) | $53,529 |
| 48 | Rockford city (north-northwest 2) | $52,348 |
| 49 | Loves Park city (southeast) | $51,153 |
| 50 | Loves Park city (west) | $50,543 |
| 51 | Rockford city (north-northwest 5) | $49,896 |
| 52 | Rockford city (southeast 2) | $48,462 |
| 53 | Rockford city (east-southeast 1) | $47,420 |
| 54 | Rockford city (north 2) | $47,275 |
| 55 | Rockford city (northwest 2) | $45,755 |
| 56 | Loves Park city (west-southwest) | $45,521 |
| 57 | Rockford city (west-southwest 3) | $43,281 |
| 58 | Rockford city (southeast 1) | $43,236 |
| 59 | Rockford city (west-northwest 4) | $41,979 |
| 60 | Rockford city (north-northwest 3) | $40,885 |
| 61 | Rockford city (west-northwest 3) | $39,948 |
| 62 | Rockford city (north-northwest 4) | $38,750 |
| 63 | Rockford city (south 2) | $38,657 |
| 64 | Rockford city (south-southwest 4) | $38,393 |
| 65 | Rockford city (south-southwest 1) | $37,944 |
| 66 | Rockford city (west 3) | $37,344 |
| 67 | Rockford city (south-southeast 1) | $37,223 |
| 68 | Rockford city (west-southwest 5) | $35,972 |
| 69 | Rockford city (west-northwest 1) | $34,148 |
| 70 | Rockford city (south 1) | $34,007 |
| 71 | Rockford city (west-southwest 4) | $33,354 |
| 72 | Rockford city (northwest 1) | $32,740 |
| 73 | Rockford city (west 2) | $29,823 |
| 74 | Rockford city (south-southwest 6) | $26,509 |
| 75 | Rockford city (south-southwest 5) | $22,417 |
| 76 | Rockford city (west-southwest 1) | $21,403 |
| 77 | Rockford city (west 4) | $18,765 |
| 78 | Rockford city (west-southwest 2) | $17,691 |
| 79 | Rockford city (west-northwest 2) | $15,500 |