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 2024, at 333.53 index. Jackson County had the lowest, at 219.55 index. The median was 267.43 index. Source: the Federal Housing Finance Agency.

Highest333.53Fayette County
Lowest219.55Jackson County
Median267.4355 counties

All counties, 2024

CSVChart (SVG)

Fayette CountyFayette County: 333.53 index333.53Ford CountyFord County: 318.66 index318.66Adams CountyAdams County: 310.86 index310.86Franklin CountyFranklin County: 310.44 index310.44Douglas CountyDouglas County: 299.88 index299.88Henry CountyHenry County: 299.06 index299.06Rock Island CountyRock Island County: 298.29 index298.29Clinton CountyClinton County: 294.73 index294.73Marion CountyMarion County: 292.52 index292.52Monroe CountyMonroe County: 290.26 index290.26DuPage CountyDuPage County: 289.4 index289.4Woodford CountyWoodford County: 287.52 index287.52Christian CountyChristian County: 282.32 index282.32Macoupin CountyMacoupin County: 281.71 index281.71Fulton CountyFulton County: 281.57 index281.57Piatt CountyPiatt County: 281.19 index281.19Tazewell CountyTazewell County: 281.19 index281.19Livingston CountyLivingston County: 278.43 index278.43Cook CountyCook County: 275.22 index275.22Grundy CountyGrundy County: 275.22 index275.22Jo Daviess CountyJo Daviess County: 271.49 index271.49Montgomery CountyMontgomery County: 271.25 index271.25Will CountyWill County: 270.12 index270.12McLean CountyMcLean County: 269.97 index269.97Madison CountyMadison County: 269.71 index269.71Williamson CountyWilliamson County: 269.1 index269.1Knox CountyKnox County: 268.03 index268.03Kankakee CountyKankakee County: 267.43 index267.43Champaign CountyChampaign County: 267.21 index267.21LaSalle CountyLaSalle County: 266.44 index266.44Lee CountyLee County: 262.51 index262.51Kane CountyKane County: 260.36 index260.36De Witt CountyDe Witt County: 257.24 index257.24Kendall CountyKendall County: 257.08 index257.08Whiteside CountyWhiteside County: 257.03 index257.03Ogle CountyOgle County: 253.2 index253.2Coles CountyColes County: 253.13 index253.13McDonough CountyMcDonough County: 249.92 index249.92Bureau CountyBureau County: 249.17 index249.17Jefferson CountyJefferson County: 248.04 index248.04Jersey CountyJersey County: 245.42 index245.42Peoria CountyPeoria County: 245.05 index245.05DeKalb CountyDeKalb County: 242.63 index242.63Lake CountyLake County: 240.97 index240.97Logan CountyLogan County: 240.3 index240.3McHenry CountyMcHenry County: 239.25 index239.25Winnebago CountyWinnebago County: 238.63 index238.63St. Clair CountySt. Clair County: 237.01 index237.01Boone CountyBoone County: 234.56 index234.56Morgan CountyMorgan County: 232.38 index232.38Sangamon CountySangamon County: 230.24 index230.24Macon CountyMacon County: 228.51 index228.51Stephenson CountyStephenson County: 223.01 index223.01Vermilion CountyVermilion County: 220.06 index220.06Jackson CountyJackson County: 219.55 index219.55
index. Source: FHFA. Retrieved 2026-10-10.

Full ranking

RankCounties2024
index		Change on 2023
1Fayette County333.53+23.27
2Ford County318.66+41.66
3Adams County310.86+8.53
4Franklin County310.44+40.39
5Douglas County299.88+25.62
6Henry County299.06+19.23
7Rock Island County298.29+22.62
8Clinton County294.73+19.29
9Marion County292.52+8.21
10Monroe County290.26+19.15
11DuPage County289.4+20.79
12Woodford County287.52+21.72
13Christian County282.32+5.87
14Macoupin County281.71+20.85
15Fulton County281.57+5.6
16Piatt County281.19+30.11
16Tazewell County281.19+15.85
18Livingston County278.43+32.1
19Cook County275.22+16.63
19Grundy County275.22+13.39
21Jo Daviess County271.49+29.49
22Montgomery County271.25+22.04
23Will County270.12+17.66
24McLean County269.97+14.46
25Madison County269.71+15.3
26Williamson County269.1+17.14
27Knox County268.03+18.32
28Kankakee County267.43+16.68
29Champaign County267.21+17.47
30LaSalle County266.44+19.72
31Lee County262.51+13.37
32Kane County260.36+17.17
33De Witt County257.24+12.68
34Kendall County257.08+15.22
35Whiteside County257.03+19.82
36Ogle County253.2+20.54
37Coles County253.13+27.65
38McDonough County249.92+26.11
39Bureau County249.17+16.15
40Jefferson County248.04+19.77
41Jersey County245.42-0.44
42Peoria County245.05+14.9
43DeKalb County242.63+14.49
44Lake County240.97+16.94
45Logan County240.3+15.47
46McHenry County239.25+16.54
47Winnebago County238.63+21.76
48St. Clair County237.01+13.9
49Boone County234.56+17.49
50Morgan County232.38+6.18
51Sangamon County230.24+14.19
52Macon County228.51+13.78
53Stephenson County223.01+23.53
54Vermilion County220.06+17.51
55Jackson County219.55+8.29

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.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank Counties in Illinois by county house price index, 1990 = 100 using official data, and cite the source.
rank_places {"indicator":"house_price_index_us_county_annual_1990","level":"province","within":"Illinois","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=house_price_index_us_county_annual_1990&level=province&within=Illinois&limit=10

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

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

Fayette County, with 333.53 index in 2024, according to the Federal Housing Finance Agency.

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

Jackson County, with 219.55 index in 2024.

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