Data / Rankings / County house price index, 1990 = 100 / Counties in Illinois

Counties in Illinois by county house price index, 1990 = 100

Fayette County had the highest county house price index, 1990 = 100 of 55 counties in 2017, at 228.71 index. Winnebago County had the lowest, at 137.37 index. The median was 178.78 index. Source: the Federal Housing Finance Agency.

Highest228.71Fayette County
Lowest137.37Winnebago County
Median178.7855 counties

All counties, 2017

CSVChart (SVG)

Fayette CountyFayette County: 228.71 index228.71Adams CountyAdams County: 223.17 index223.17Fulton CountyFulton County: 216.7 index216.7Henry CountyHenry County: 214.89 index214.89Rock Island CountyRock Island County: 209.72 index209.72Franklin CountyFranklin County: 209.1 index209.1Ford CountyFord County: 207.08 index207.08Tazewell CountyTazewell County: 206.9 index206.9Christian CountyChristian County: 205.06 index205.06Douglas CountyDouglas County: 203.35 index203.35Woodford CountyWoodford County: 203.05 index203.05Macoupin CountyMacoupin County: 202.29 index202.29Clinton CountyClinton County: 200.76 index200.76DuPage CountyDuPage County: 198.91 index198.91McDonough CountyMcDonough County: 198.7 index198.7Cook CountyCook County: 193.11 index193.11Piatt CountyPiatt County: 190.03 index190.03Monroe CountyMonroe County: 189.81 index189.81Knox CountyKnox County: 189.49 index189.49Williamson CountyWilliamson County: 186.13 index186.13Jo Daviess CountyJo Daviess County: 185.84 index185.84Grundy CountyGrundy County: 185.19 index185.19Livingston CountyLivingston County: 183.02 index183.02Madison CountyMadison County: 181.07 index181.07Marion CountyMarion County: 180.72 index180.72De Witt CountyDe Witt County: 180.49 index180.49McLean CountyMcLean County: 178.91 index178.91Champaign CountyChampaign County: 178.78 index178.78Whiteside CountyWhiteside County: 178.48 index178.48Montgomery CountyMontgomery County: 178.16 index178.16Lee CountyLee County: 176.99 index176.99Logan CountyLogan County: 176.69 index176.69Peoria CountyPeoria County: 176.13 index176.13LaSalle CountyLaSalle County: 173.94 index173.94Jersey CountyJersey County: 173.87 index173.87Bureau CountyBureau County: 173.54 index173.54Will CountyWill County: 170.47 index170.47Kankakee CountyKankakee County: 169.58 index169.58Morgan CountyMorgan County: 169.23 index169.23Jefferson CountyJefferson County: 168.93 index168.93Coles CountyColes County: 168.07 index168.07Ogle CountyOgle County: 165.64 index165.64Kane CountyKane County: 164.28 index164.28Sangamon CountySangamon County: 164.16 index164.16Jackson CountyJackson County: 163.82 index163.82Kendall CountyKendall County: 161.41 index161.41Lake CountyLake County: 161 index161Macon CountyMacon County: 157.9 index157.9Vermilion CountyVermilion County: 156.75 index156.75St. Clair CountySt. Clair County: 154.52 index154.52DeKalb CountyDeKalb County: 152.27 index152.27McHenry CountyMcHenry County: 147.03 index147.03Boone CountyBoone County: 143.91 index143.91Stephenson CountyStephenson County: 142.28 index142.28Winnebago CountyWinnebago County: 137.37 index137.37
index. Source: FHFA. Retrieved 2026-10-10.

Full ranking

RankCounties2017
index		Change on 2016
1Fayette County228.71+4.15
2Adams County223.17+4.53
3Fulton County216.7+0.61
4Henry County214.89+2.01
5Rock Island County209.72+3.02
6Franklin County209.1+11.15
7Ford County207.08+4.7
8Tazewell County206.9-0.96
9Christian County205.06+8.5
10Douglas County203.35+3.85
11Woodford County203.05-0.79
12Macoupin County202.29+5.04
13Clinton County200.76+3.66
14DuPage County198.91+6.41
15McDonough County198.7-2.11
16Cook County193.11+6.02
17Piatt County190.03+4.61
18Monroe County189.81+5.2
19Knox County189.49-0.48
20Williamson County186.13+0.45
21Jo Daviess County185.84+2.44
22Grundy County185.19+5.66
23Livingston County183.02+4.88
24Madison County181.07+4.11
25Marion County180.72-5.65
26De Witt County180.49+7.46
27McLean County178.91+0.66
28Champaign County178.78+1.6
29Whiteside County178.48+0.55
30Montgomery County178.16+3.68
31Lee County176.99+3.54
32Logan County176.69+2.43
33Peoria County176.13-5.22
34LaSalle County173.94+1.69
35Jersey County173.87+2.21
36Bureau County173.54+6.39
37Will County170.47+6.6
38Kankakee County169.58+2.82
39Morgan County169.23-2.5
40Jefferson County168.93-2.12
41Coles County168.07-1.4
42Ogle County165.64+5.52
43Kane County164.28+6.38
44Sangamon County164.16+0.91
45Jackson County163.82-5.85
46Kendall County161.41+7.72
47Lake County161+2.77
48Macon County157.9+0.05
49Vermilion County156.75+1.69
50St. Clair County154.52+5.84
51DeKalb County152.27+6.91
52McHenry County147.03+6.94
53Boone County143.91+7.14
54Stephenson County142.28+0.11
55Winnebago County137.37+5.08

Other periods

About this ranking

Annual FHFA all-transactions index of single-family house prices in US counties, with 1990 equal to 100.

Developmental nominal index, not seasonally adjusted. Uses sale prices and refinance appraisals for mortgages purchased or guaranteed by Fannie Mae or Freddie Mac. Differs from purchase-only indexes. Missing estimates and unavailable base-year values remain absent. Historical estimates can be revised.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

Federal Housing Finance Agency (FHFA). FHFA developmental all-transactions county house price index, annual, nominal, not seasonally adjusted, 1990 = 100. https://www.fhfa.gov/hpi/download/annual/hpi_at_county.xlsx. Retrieved 2026-10-10.

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Rank Counties in Illinois by county house price index, 1990 = 100 using official data, and cite the source.
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Questions

Which county has the highest county house price index, 1990 = 100?

Fayette County, with 228.71 index in 2017, according to the Federal Housing Finance Agency.

Which county has the lowest county house price index, 1990 = 100?

Winnebago County, with 137.37 index in 2017.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: Federal Housing Finance Agency, FHFA developmental all-transactions county house price index, annual, nominal, not seasonally adjusted, 1990 = 100. Retrieved 2026-10-10.

County house price index, 1990 = 100: other rankings

Counties in Illinois: more rankings