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 2019, at 237.12 index. Winnebago County had the lowest, at 149.94 index. The median was 186.32 index. Source: the Federal Housing Finance Agency.

Highest237.12Fayette County
Lowest149.94Winnebago County
Median186.3255 counties

All counties, 2019

CSVChart (SVG)

Fayette CountyFayette County: 237.12 index237.12Adams CountyAdams County: 229.63 index229.63Fulton CountyFulton County: 228.16 index228.16Henry CountyHenry County: 223.69 index223.69Franklin CountyFranklin County: 223.38 index223.38Ford CountyFord County: 217.4 index217.4Rock Island CountyRock Island County: 217.32 index217.32Christian CountyChristian County: 216.42 index216.42Douglas CountyDouglas County: 211.73 index211.73Clinton CountyClinton County: 209.93 index209.93Macoupin CountyMacoupin County: 209.15 index209.15Woodford CountyWoodford County: 208.37 index208.37DuPage CountyDuPage County: 208.22 index208.22Tazewell CountyTazewell County: 207.06 index207.06Monroe CountyMonroe County: 203.75 index203.75Cook CountyCook County: 203.26 index203.26Grundy CountyGrundy County: 198.5 index198.5Jo Daviess CountyJo Daviess County: 197.59 index197.59Piatt CountyPiatt County: 197.55 index197.55Knox CountyKnox County: 195.9 index195.9Marion CountyMarion County: 193.89 index193.89Livingston CountyLivingston County: 191.57 index191.57Madison CountyMadison County: 191.51 index191.51Williamson CountyWilliamson County: 189.73 index189.73McDonough CountyMcDonough County: 189.67 index189.67LaSalle CountyLaSalle County: 187.72 index187.72Whiteside CountyWhiteside County: 187.68 index187.68Lee CountyLee County: 186.32 index186.32Montgomery CountyMontgomery County: 185.93 index185.93Champaign CountyChampaign County: 185.52 index185.52Kankakee CountyKankakee County: 183.33 index183.33Will CountyWill County: 182.92 index182.92Bureau CountyBureau County: 182.47 index182.47Jersey CountyJersey County: 181.87 index181.87Logan CountyLogan County: 181.32 index181.32McLean CountyMcLean County: 180.94 index180.94De Witt CountyDe Witt County: 179.47 index179.47Ogle CountyOgle County: 176.73 index176.73Peoria CountyPeoria County: 176.43 index176.43Morgan CountyMorgan County: 175.45 index175.45Kane CountyKane County: 175.01 index175.01Kendall CountyKendall County: 174.52 index174.52Coles CountyColes County: 173.02 index173.02Jefferson CountyJefferson County: 169.02 index169.02Jackson CountyJackson County: 168.3 index168.3Sangamon CountySangamon County: 167.83 index167.83Lake CountyLake County: 166.11 index166.11DeKalb CountyDeKalb County: 163.62 index163.62Macon CountyMacon County: 163.33 index163.33Vermilion CountyVermilion County: 161.45 index161.45St. Clair CountySt. Clair County: 161.39 index161.39McHenry CountyMcHenry County: 157.93 index157.93Boone CountyBoone County: 156.06 index156.06Stephenson CountyStephenson County: 151.83 index151.83Winnebago CountyWinnebago County: 149.94 index149.94
index. Source: FHFA. Retrieved 2026-10-10.

Full ranking

RankCounties2019
index		Change on 2018
1Fayette County237.12+12.37
2Adams County229.63+3.47
3Fulton County228.16+13.03
4Henry County223.69+6.51
5Franklin County223.38+12.26
6Ford County217.4+4.13
7Rock Island County217.32+5.28
8Christian County216.42+3.74
9Douglas County211.73+5.21
10Clinton County209.93+4.68
11Macoupin County209.15+4.69
12Woodford County208.37+6.99
13DuPage County208.22+4.36
14Tazewell County207.06+1.46
15Monroe County203.75+6.6
16Cook County203.26+5.38
17Grundy County198.5+3.97
18Jo Daviess County197.59+10.65
19Piatt County197.55+6.89
20Knox County195.9-0.9
21Marion County193.89+3.74
22Livingston County191.57+10.22
23Madison County191.51+5.13
24Williamson County189.73+1.31
25McDonough County189.67+0.97
26LaSalle County187.72+7.61
27Whiteside County187.68+2.52
28Lee County186.32+5.17
29Montgomery County185.93+7.1
30Champaign County185.52+2.74
31Kankakee County183.33+7.5
32Will County182.92+5.5
33Bureau County182.47+12.15
34Jersey County181.87+5.32
35Logan County181.32+3.34
36McLean County180.94+2.34
37De Witt County179.47+1.23
38Ogle County176.73+6.67
39Peoria County176.43+2.5
40Morgan County175.45+1.88
41Kane County175.01+4.93
42Kendall County174.52+4.82
43Coles County173.02+4.88
44Jefferson County169.02+1.87
45Jackson County168.3-3.31
46Sangamon County167.83+2.38
47Lake County166.11+3.03
48DeKalb County163.62+6.15
49Macon County163.33+5.81
50Vermilion County161.45+7.33
51St. Clair County161.39+4.82
52McHenry County157.93+4.22
53Boone County156.06+6.15
54Stephenson County151.83+7.64
55Winnebago County149.94+6.33

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 237.12 index in 2019, according to the Federal Housing Finance Agency.

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

Winnebago County, with 149.94 index in 2019.

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