| 1 | Rockford city (northeast 2) | $1,727 |
| 2 | Rockton village (west-southwest) | $1,620 |
| 3 | Rockford city (east-northeast 3) | $1,593 |
| 4 | Machesney Park village (northeast) | $1,546 |
| 5 | Rockford city (north-northwest 6) | $1,443 |
| 6 | Cherry Valley village (northwest) | $1,390 |
| 7 | Machesney Park village (north-northeast) | $1,338 |
| 8 | Rockford city (northeast 4) | $1,321 |
| 9 | Rockford city (east-southeast 4) | $1,310 |
| 10 | Rockford city (east-northeast 1) | $1,302 |
| 11 | Loves Park city (east) | $1,295 |
| 12 | Rockford city (north-northeast 1) | $1,266 |
| 13 | Roscoe village (south-southwest) | $1,216 |
| 14 | Rockford city (south-southeast 3) | $1,170 |
| 15 | Rockford city (east-northeast 4) | $1,162 |
| 16 | Rockford city (north-northwest 2) | $1,146 |
| 17 | Rockford city (east-northeast 2) | $1,145 |
| 18 | Rockford city (northeast 1) | $1,137 |
| 19 | Loves Park city (southwest) | $1,131 |
| 20 | Rockford city (northwest 2) | $1,126 |
| 21 | Rockford city (north-northwest 1) | $1,123 |
| 22 | Loves Park city (west) | $1,115 |
| 23 | Rockford city (west-northwest 1) | $1,104 |
| 24 | Loves Park city (north) | $1,103 |
| 25 | Rockford city (south-southwest 2) | $1,081 |
| 26 | Rockford city (south 3) | $1,080 |
| 27 | Pecatonica village | $1,072 |
| 28 | Rockford city (east-southeast 3) | $1,071 |
| 29 | Machesney Park village (west-southwest) | $1,064 |
| 30 | Loves Park city (southeast) | $1,049 |
| 31 | Rockford city (west-northwest 3) | $1,041 |
| 32 | Rockford city (west-southwest 5) | $1,038 |
| 33 | Rockford city (south-southeast 1) | $1,037 |
| 34 | Winnebago village | $1,031 |
| 35 | Rockford city (north 1) | $1,014 |
| 36 | Cherry Valley village (north-northeast) | $1,013 |
| 37 | Rockford city (north-northwest 4) | $1,013 |
| 38 | Rockford city (northwest 3) | $1,006 |
| 39 | Rockford city (southeast 1) | $978 |
| 40 | Rockford city (south 2) | $971 |
| 41 | Rockford city (east 2) | $967 |
| 42 | Rockton village (east-northeast) | $965 |
| 43 | Rockford city (east-southeast 2) | $959 |
| 44 | Rockford city (north-northeast 2) | $950 |
| 45 | Rockford city (west 1) | $948 |
| 46 | Loves Park city (west-southwest) | $940 |
| 47 | Rockford city (northwest 1) | $939 |
| 48 | Rockford city (west-southwest 4) | $938 |
| 49 | Rockford city (north-northwest 5) | $921 |
| 50 | South Beloit city (west) | $918 |
| 51 | Rockford city (west-northwest 4) | $916 |
| 52 | Rockford city (south-southwest 4) | $914 |
| 53 | Rockford city (west-northwest 2) | $910 |
| 54 | Machesney Park village (southwest 2) | $908 |
| 55 | Rockford city (west-southwest 1) | $904 |
| 56 | Rockford city (east 1) | $903 |
| 57 | Loves Park city (east-northeast) | $900 |
| 58 | Lake Summerset CDP | $892 |
| 59 | Machesney Park village (southwest 1) | $891 |
| 60 | Rockford city (south 1) | $885 |
| 61 | South Beloit city (east) | $872 |
| 62 | Rockford city (north-northwest 3) | $859 |
| 63 | Rockford city (north 2) | $850 |
| 64 | Rockford city (west 3) | $850 |
| 65 | Rockford city (east-southeast 1) | $849 |
| 66 | Rockford city (south-southeast 4) | $845 |
| 67 | Rockford city (south-southwest 5) | $822 |
| 68 | Rockford city (south-southeast 2) | $796 |
| 69 | Rockford city (southeast 2) | $781 |
| 70 | Rockford city (south-southwest 6) | $768 |
| 71 | Cherry Valley village (south-southwest) | $737 |
| 72 | Rockford city (west-southwest 3) | $728 |
| 73 | Rockford city (south-southwest 1) | $724 |
| 74 | Rockford city (west 2) | $695 |
| 75 | Rockford city (west 4) | $603 |
| 76 | Rockford city (west-southwest 2) | $549 |
| 77 | Rockford city (northeast 3) | $450 |