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 2023, at 310.26 index. Stephenson County had the lowest, at 199.48 index. The median was 249.14 index. Source: the Federal Housing Finance Agency.

Highest310.26Fayette County
Lowest199.48Stephenson County
Median249.1455 counties

All counties, 2023

CSVChart (SVG)

Fayette CountyFayette County: 310.26 index310.26Adams CountyAdams County: 302.33 index302.33Marion CountyMarion County: 284.31 index284.31Henry CountyHenry County: 279.83 index279.83Ford CountyFord County: 277 index277Christian CountyChristian County: 276.45 index276.45Fulton CountyFulton County: 275.97 index275.97Rock Island CountyRock Island County: 275.67 index275.67Clinton CountyClinton County: 275.44 index275.44Douglas CountyDouglas County: 274.26 index274.26Monroe CountyMonroe County: 271.11 index271.11Franklin CountyFranklin County: 270.05 index270.05DuPage CountyDuPage County: 268.61 index268.61Woodford CountyWoodford County: 265.8 index265.8Tazewell CountyTazewell County: 265.34 index265.34Grundy CountyGrundy County: 261.83 index261.83Macoupin CountyMacoupin County: 260.86 index260.86Cook CountyCook County: 258.59 index258.59McLean CountyMcLean County: 255.51 index255.51Madison CountyMadison County: 254.41 index254.41Will CountyWill County: 252.46 index252.46Williamson CountyWilliamson County: 251.96 index251.96Piatt CountyPiatt County: 251.08 index251.08Kankakee CountyKankakee County: 250.75 index250.75Champaign CountyChampaign County: 249.74 index249.74Knox CountyKnox County: 249.71 index249.71Montgomery CountyMontgomery County: 249.21 index249.21Lee CountyLee County: 249.14 index249.14LaSalle CountyLaSalle County: 246.72 index246.72Livingston CountyLivingston County: 246.33 index246.33Jersey CountyJersey County: 245.86 index245.86De Witt CountyDe Witt County: 244.56 index244.56Kane CountyKane County: 243.19 index243.19Jo Daviess CountyJo Daviess County: 242 index242Kendall CountyKendall County: 241.86 index241.86Whiteside CountyWhiteside County: 237.21 index237.21Bureau CountyBureau County: 233.02 index233.02Ogle CountyOgle County: 232.66 index232.66Peoria CountyPeoria County: 230.15 index230.15Jefferson CountyJefferson County: 228.27 index228.27DeKalb CountyDeKalb County: 228.14 index228.14Morgan CountyMorgan County: 226.2 index226.2Coles CountyColes County: 225.48 index225.48Logan CountyLogan County: 224.83 index224.83Lake CountyLake County: 224.03 index224.03McDonough CountyMcDonough County: 223.81 index223.81St. Clair CountySt. Clair County: 223.11 index223.11McHenry CountyMcHenry County: 222.71 index222.71Boone CountyBoone County: 217.07 index217.07Winnebago CountyWinnebago County: 216.87 index216.87Sangamon CountySangamon County: 216.05 index216.05Macon CountyMacon County: 214.73 index214.73Jackson CountyJackson County: 211.26 index211.26Vermilion CountyVermilion County: 202.55 index202.55Stephenson CountyStephenson County: 199.48 index199.48
index. Source: FHFA. Retrieved 2026-10-10.

Full ranking

RankCounties2023
index
Change on 2022
1Fayette County310.26+39.27
2Adams County302.33+17.11
3Marion County284.31+37.33
4Henry County279.83+10.9
5Ford County277+13.29
6Christian County276.45+22.82
7Fulton County275.97+18.29
8Rock Island County275.67+18.49
9Clinton County275.44+28.72
10Douglas County274.26+14.49
11Monroe County271.11+18.6
12Franklin County270.05+0.66
13DuPage County268.61+20.39
14Woodford County265.8+15.91
15Tazewell County265.34+19.02
16Grundy County261.83+19.5
17Macoupin County260.86+13.96
18Cook County258.59+13.93
19McLean County255.51+21.28
20Madison County254.41+19.33
21Will County252.46+20.32
22Williamson County251.96+21.27
23Piatt County251.08+16.96
24Kankakee County250.75+17.2
25Champaign County249.74+18.26
26Knox County249.71+15.04
27Montgomery County249.21+20.46
28Lee County249.14+19.63
29LaSalle County246.72+17.85
30Livingston County246.33+11.3
31Jersey County245.86+39.21
32De Witt County244.56+19.67
33Kane County243.19+20.77
34Jo Daviess County242+1.18
35Kendall County241.86+17.3
36Whiteside County237.21+7.67
37Bureau County233.02+12.9
38Ogle County232.66+14.07
39Peoria County230.15+18.26
40Jefferson County228.27+17.7
41DeKalb County228.14+23.05
42Morgan County226.2+26.18
43Coles County225.48+11.42
44Logan County224.83+7.4
45Lake County224.03+18.4
46McDonough County223.81+12.23
47St. Clair County223.11+19.15
48McHenry County222.71+19.18
49Boone County217.07+18.73
50Winnebago County216.87+21.55
51Sangamon County216.05+14.13
52Macon County214.73+16.43
53Jackson County211.26+12.14
54Vermilion County202.55+5.62
55Stephenson County199.48+5.82

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 310.26 index in 2023, according to the Federal Housing Finance Agency.

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

Stephenson County, with 199.48 index in 2023.

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