# Counties in Illinois by county house price index, 1990 = 100, 2025

All 55 values come from Federal Housing Finance Agency for 2025, so the places are comparable.

- Indicator id: `house_price_index_us_county_annual_1990`
- Unit: index
- Definition: Annual FHFA all-transactions index of single-family house prices in US counties, with 1990 equal to 100.
- Source: Federal Housing Finance Agency, 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
- Citation: 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.
- Web page: https://invokely.ai/rankings/county-house-price-index-1990/illinois-counties
- CSV: https://invokely.ai/download/rankings/county-house-price-index-1990/illinois-counties.csv

| Rank | Place | index |
|---:|---|---:|
| 1 | Adams County | 335.89 |
| 2 | Ford County | 333.03 |
| 3 | Douglas County | 321.35 |
| 4 | Fayette County | 321.34 |
| 5 | Henry County | 314.65 |
| 6 | Franklin County | 311.83 |
| 7 | Clinton County | 310.89 |
| 8 | Marion County | 310.58 |
| 9 | Monroe County | 309.23 |
| 10 | Rock Island County | 307.8 |
| 11 | DuPage County | 307.46 |
| 12 | Fulton County | 306.39 |
| 13 | Christian County | 305.18 |
| 14 | Woodford County | 304.82 |
| 15 | Tazewell County | 300.15 |
| 16 | Macoupin County | 296.38 |
| 17 | Grundy County | 293.68 |
| 18 | Jo Daviess County | 292.81 |
| 19 | Cook County | 290.42 |
| 20 | LaSalle County | 288.03 |
| 21 | Madison County | 287.75 |
| 22 | Livingston County | 286.58 |
| 23 | Champaign County | 286.42 |
| 24 | Lee County | 285.52 |
| 25 | Piatt County | 284.57 |
| 26 | McLean County | 283.53 |
| 27 | Knox County | 282.78 |
| 28 | Williamson County | 282.67 |
| 29 | Will County | 282.55 |
| 30 | Kankakee County | 275.38 |
| 31 | Kane County | 275.34 |
| 32 | Kendall County | 274.87 |
| 33 | Ogle County | 270.59 |
| 34 | Whiteside County | 267.26 |
| 35 | Jersey County | 263.46 |
| 36 | Montgomery County | 262.46 |
| 37 | Peoria County | 260.79 |
| 38 | Bureau County | 259.43 |
| 39 | Logan County | 259.31 |
| 40 | De Witt County | 259.11 |
| 41 | DeKalb County | 258.21 |
| 42 | Lake County | 257.17 |
| 43 | Coles County | 257.06 |
| 44 | Jefferson County | 256.88 |
| 45 | Winnebago County | 256.75 |
| 46 | McHenry County | 253.26 |
| 47 | Boone County | 252.44 |
| 48 | McDonough County | 250.68 |
| 49 | Stephenson County | 250.54 |
| 50 | Morgan County | 250.32 |
| 51 | St. Clair County | 249.56 |
| 52 | Sangamon County | 240.55 |
| 53 | Macon County | 240.18 |
| 54 | Jackson County | 238.85 |
| 55 | Vermilion County | 236.81 |