28 counties · ranked by income-to-home ratio

Most Affordable Counties in Illinois

Counties in Illinois where housing is most affordable relative to local incomes. Higher income-to-home ratios mean residents spend less of their earnings on housing.

# County BTI Score Afford. Ratio Home Value Med. Income Med. Rent Tax Rate
01 Vermilion County IL 52 0.58 $91,000 $52,787 $769 1.8%
02 Whiteside County IL 81 0.51 $122,200 $62,828 $785 2.1%
03 Macon County IL 98 0.50 $119,800 $59,622 $774 2.1%
04 Tazewell County IL 99 0.47 $159,100 $74,606 $850 2.2%
05 LaSalle County IL 93 0.46 $147,400 $67,942 $874 2.2%
06 Rock Island County IL 90 0.46 $139,800 $64,435 $846 2.4%
07 Madison County IL 87 0.45 $159,400 $71,759 $938 2.0%
08 Boone County IL 96 0.44 $181,700 $80,502 $938 2.3%
09 Sangamon County IL 92 0.44 $162,400 $71,653 $927 2.0%
10 Ogle County IL 90 0.44 $172,900 $75,782 $841 2.1%
11 St. Clair County IL 64 0.43 $158,500 $68,915 $1,002 2.2%
12 Williamson County IL 75 0.43 $139,500 $60,325 $824 1.7%
13 Peoria County IL 98 0.42 $150,400 $63,409 $909 2.3%
14 Adams County IL 91 0.42 $151,300 $63,767 $782 1.6%
15 Winnebago County IL 100 0.42 $146,800 $61,738 $941 2.6%
16 McLean County IL 36 0.39 $191,300 $75,356 $941 2.3%
17 Kankakee County IL 98 0.37 $176,800 $65,489 $1,025 2.3%
18 McHenry County IL 90 0.37 $270,600 $100,101 $1,310 2.6%
19 Kendall County IL 76 0.37 $288,100 $106,358 $1,695 2.6%
20 Grundy County IL 83 0.37 $245,400 $89,993 $1,126 2.0%
21 Will County IL 66 0.37 $283,600 $103,678 $1,342 2.4%
22 Jackson County IL 82 0.36 $123,400 $44,847 $757 1.9%
23 Lake County IL 95 0.33 $313,700 $104,553 $1,382 2.7%
24 Kane County IL 78 0.33 $290,100 $96,400 $1,335 2.5%
25 Champaign County IL 94 0.32 $192,600 $61,090 $977 2.2%
26 DeKalb County IL 96 0.31 $218,600 $68,617 $1,024 2.6%
27 DuPage County IL 88 0.30 $361,700 $107,035 $1,551 2.1%
28 Cook County IL 79 0.27 $293,700 $78,304 $1,318 2.0%