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 2016, at 224.56 index. Winnebago County had the lowest, at 132.29 index. The median was 177.18 index. Source: the Federal Housing Finance Agency.

Highest224.56Fayette County
Lowest132.29Winnebago County
Median177.1855 counties

All counties, 2016

CSVChart (SVG)

Fayette CountyFayette County: 224.56 index224.56Adams CountyAdams County: 218.64 index218.64Fulton CountyFulton County: 216.09 index216.09Henry CountyHenry County: 212.88 index212.88Tazewell CountyTazewell County: 207.86 index207.86Rock Island CountyRock Island County: 206.7 index206.7Woodford CountyWoodford County: 203.84 index203.84Ford CountyFord County: 202.38 index202.38McDonough CountyMcDonough County: 200.81 index200.81Douglas CountyDouglas County: 199.5 index199.5Franklin CountyFranklin County: 197.95 index197.95Macoupin CountyMacoupin County: 197.25 index197.25Clinton CountyClinton County: 197.1 index197.1Christian CountyChristian County: 196.56 index196.56DuPage CountyDuPage County: 192.5 index192.5Knox CountyKnox County: 189.97 index189.97Cook CountyCook County: 187.09 index187.09Marion CountyMarion County: 186.37 index186.37Williamson CountyWilliamson County: 185.68 index185.68Piatt CountyPiatt County: 185.42 index185.42Monroe CountyMonroe County: 184.61 index184.61Jo Daviess CountyJo Daviess County: 183.4 index183.4Peoria CountyPeoria County: 181.35 index181.35Grundy CountyGrundy County: 179.53 index179.53McLean CountyMcLean County: 178.25 index178.25Livingston CountyLivingston County: 178.14 index178.14Whiteside CountyWhiteside County: 177.93 index177.93Champaign CountyChampaign County: 177.18 index177.18Madison CountyMadison County: 176.96 index176.96Montgomery CountyMontgomery County: 174.48 index174.48Logan CountyLogan County: 174.26 index174.26Lee CountyLee County: 173.45 index173.45De Witt CountyDe Witt County: 173.03 index173.03LaSalle CountyLaSalle County: 172.25 index172.25Morgan CountyMorgan County: 171.73 index171.73Jersey CountyJersey County: 171.66 index171.66Jefferson CountyJefferson County: 171.05 index171.05Jackson CountyJackson County: 169.67 index169.67Coles CountyColes County: 169.47 index169.47Bureau CountyBureau County: 167.15 index167.15Kankakee CountyKankakee County: 166.76 index166.76Will CountyWill County: 163.87 index163.87Sangamon CountySangamon County: 163.25 index163.25Ogle CountyOgle County: 160.12 index160.12Lake CountyLake County: 158.23 index158.23Kane CountyKane County: 157.9 index157.9Macon CountyMacon County: 157.85 index157.85Vermilion CountyVermilion County: 155.06 index155.06Kendall CountyKendall County: 153.69 index153.69St. Clair CountySt. Clair County: 148.68 index148.68DeKalb CountyDeKalb County: 145.36 index145.36Stephenson CountyStephenson County: 142.17 index142.17McHenry CountyMcHenry County: 140.09 index140.09Boone CountyBoone County: 136.77 index136.77Winnebago CountyWinnebago County: 132.29 index132.29
index. Source: FHFA. Retrieved 2026-10-10.

Full ranking

RankCounties2016
index		Change on 2015
1Fayette County224.56-2.92
2Adams County218.64+2.09
3Fulton County216.09+4.44
4Henry County212.88+8.24
5Tazewell County207.86+0.57
6Rock Island County206.7+5.67
7Woodford County203.84+2.07
8Ford County202.38+1.71
9McDonough County200.81+2.56
10Douglas County199.5+10.34
11Franklin County197.95-10.49
12Macoupin County197.25+2.19
13Clinton County197.1-0.79
14Christian County196.56-5.85
15DuPage County192.5+5.12
16Knox County189.97+1.99
17Cook County187.09+7.01
18Marion County186.37+4.12
19Williamson County185.68+2.5
20Piatt County185.42+2.16
21Monroe County184.61+4.58
22Jo Daviess County183.4-2.96
23Peoria County181.35+1.3
24Grundy County179.53+4.42
25McLean County178.25+0.77
26Livingston County178.14+0.38
27Whiteside County177.93+1.21
28Champaign County177.18+2.68
29Madison County176.96+3.56
30Montgomery County174.48+5.65
31Logan County174.26-1.76
32Lee County173.45+2.72
33De Witt County173.03+3.55
34LaSalle County172.25+4.23
35Morgan County171.73+5.89
36Jersey County171.66+2.61
37Jefferson County171.05+9.47
38Jackson County169.67+3.39
39Coles County169.47+0.8
40Bureau County167.15-3.54
41Kankakee County166.76+2.71
42Will County163.87+5.54
43Sangamon County163.25+2.97
44Ogle County160.12+3.83
45Lake County158.23+3.48
46Kane County157.9+6.25
47Macon County157.85+1.38
48Vermilion County155.06+5.27
49Kendall County153.69+6.69
50St. Clair County148.68+1.27
51DeKalb County145.36+5.61
52Stephenson County142.17+3.51
53McHenry County140.09+4.06
54Boone County136.77+2.12
55Winnebago County132.29+3.69

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 224.56 index in 2016, according to the Federal Housing Finance Agency.

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

Winnebago County, with 132.29 index in 2016.

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