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 2015, at 227.48 index. Winnebago County had the lowest, at 128.6 index. The median was 175.11 index. Source: the Federal Housing Finance Agency.

Highest227.48Fayette County
Lowest128.6Winnebago County
Median175.1155 counties

All counties, 2015

CSVChart (SVG)

Fayette CountyFayette County: 227.48 index227.48Adams CountyAdams County: 216.55 index216.55Fulton CountyFulton County: 211.65 index211.65Franklin CountyFranklin County: 208.44 index208.44Tazewell CountyTazewell County: 207.29 index207.29Henry CountyHenry County: 204.64 index204.64Christian CountyChristian County: 202.41 index202.41Woodford CountyWoodford County: 201.77 index201.77Rock Island CountyRock Island County: 201.03 index201.03Ford CountyFord County: 200.67 index200.67McDonough CountyMcDonough County: 198.25 index198.25Clinton CountyClinton County: 197.89 index197.89Macoupin CountyMacoupin County: 195.06 index195.06Douglas CountyDouglas County: 189.16 index189.16Knox CountyKnox County: 187.98 index187.98DuPage CountyDuPage County: 187.38 index187.38Jo Daviess CountyJo Daviess County: 186.36 index186.36Piatt CountyPiatt County: 183.26 index183.26Williamson CountyWilliamson County: 183.18 index183.18Marion CountyMarion County: 182.25 index182.25Cook CountyCook County: 180.08 index180.08Peoria CountyPeoria County: 180.05 index180.05Monroe CountyMonroe County: 180.03 index180.03Livingston CountyLivingston County: 177.76 index177.76McLean CountyMcLean County: 177.48 index177.48Whiteside CountyWhiteside County: 176.72 index176.72Logan CountyLogan County: 176.02 index176.02Grundy CountyGrundy County: 175.11 index175.11Champaign CountyChampaign County: 174.5 index174.5Madison CountyMadison County: 173.4 index173.4Lee CountyLee County: 170.73 index170.73Bureau CountyBureau County: 170.69 index170.69De Witt CountyDe Witt County: 169.48 index169.48Jersey CountyJersey County: 169.05 index169.05Montgomery CountyMontgomery County: 168.83 index168.83Coles CountyColes County: 168.67 index168.67LaSalle CountyLaSalle County: 168.02 index168.02Jackson CountyJackson County: 166.28 index166.28Morgan CountyMorgan County: 165.84 index165.84Kankakee CountyKankakee County: 164.05 index164.05Jefferson CountyJefferson County: 161.58 index161.58Sangamon CountySangamon County: 160.28 index160.28Will CountyWill County: 158.33 index158.33Macon CountyMacon County: 156.47 index156.47Ogle CountyOgle County: 156.29 index156.29Lake CountyLake County: 154.75 index154.75Kane CountyKane County: 151.65 index151.65Vermilion CountyVermilion County: 149.79 index149.79St. Clair CountySt. Clair County: 147.41 index147.41Kendall CountyKendall County: 147 index147DeKalb CountyDeKalb County: 139.75 index139.75Stephenson CountyStephenson County: 138.66 index138.66McHenry CountyMcHenry County: 136.03 index136.03Boone CountyBoone County: 134.65 index134.65Winnebago CountyWinnebago County: 128.6 index128.6
index. Source: FHFA. Retrieved 2026-10-10.

Full ranking

RankCounties2015
index		Change on 2014
1Fayette County227.48+8
2Adams County216.55+7.04
3Fulton County211.65-3.24
4Franklin County208.44+8.43
5Tazewell County207.29+1.69
6Henry County204.64-1.39
7Christian County202.41+11.96
8Woodford County201.77-2.51
9Rock Island County201.03+2.13
10Ford County200.67+2.46
11McDonough County198.25-1.07
12Clinton County197.89+8.32
13Macoupin County195.06+3.95
14Douglas County189.16-6.16
15Knox County187.98+4.07
16DuPage County187.38+5.32
17Jo Daviess County186.36+7.44
18Piatt County183.26+2.66
19Williamson County183.18+3.11
20Marion County182.25+5.99
21Cook County180.08+6.81
22Peoria County180.05+1.33
23Monroe County180.03+2.94
24Livingston County177.76+1.04
25McLean County177.48+0.8
26Whiteside County176.72+6.45
27Logan County176.02+9.71
28Grundy County175.11+5.51
29Champaign County174.5+4.09
30Madison County173.4+3.88
31Lee County170.73+2.39
32Bureau County170.69+6.34
33De Witt County169.48+0.54
34Jersey County169.05+1.25
35Montgomery County168.83+2.91
36Coles County168.67+0.01
37LaSalle County168.02+3.08
38Jackson County166.28-2.34
39Morgan County165.84+1.69
40Kankakee County164.05+2.61
41Jefferson County161.58+2.31
42Sangamon County160.28+3.42
43Will County158.33+5.19
44Macon County156.47+1.34
45Ogle County156.29+2.57
46Lake County154.75+4.7
47Kane County151.65+6.63
48Vermilion County149.79+2.13
49St. Clair County147.41+2.84
50Kendall County147+5.3
51DeKalb County139.75+3.88
52Stephenson County138.66-1.37
53McHenry County136.03+5.85
54Boone County134.65+5.84
55Winnebago County128.6+2.62

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 227.48 index in 2015, according to the Federal Housing Finance Agency.

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

Winnebago County, with 128.6 index in 2015.

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