county benchmark · Illinois
Rent as share of income, 2017-2021
Across 102 counties in Illinois. Every rank carries its margin of error.
Distribution
| Percentile | Value |
|---|---|
| 10th percentile | 22.3 % |
| 25th | 24.8 % |
| Median | 26.2 % |
| 75th | 28.4 % |
| 90th percentile | 30.0 % |
Highest counties
McDonough County leads reliably only from rank 12 downwards. Its estimate range overlaps those of the ranks above 12, which therefore cannot be separated from it at 90 % confidence.
| Rank | County | Estimate | Range (90 %) | Source |
|---|---|---|---|---|
| 1 | McDonough County | 35.2 % | 30.6 % – 39.8 % | evidence → |
| 2 | Johnson County | 34.5 % | 26.4 % – 42.6 % | evidence → |
| 3 | Jackson County | 33.3 % | 31.3 % – 35.3 % | evidence → |
| 4 | Champaign County | 31.5 % | 30.0 % – 33.0 % | evidence → |
| 5 | Massac County | 31.4 % | 29.3 % – 33.5 % | evidence → |
| 6 | Knox County | 31.1 % | 28.8 % – 33.4 % | evidence → |
| 7 | DeKalb County | 31.0 % | 28.6 % – 33.4 % | evidence → |
| 8 | Saline County | 30.9 % | 24.9 % – 36.9 % | evidence → |
| 9 | Kankakee County | 30.5 % | 29.0 % – 32.0 % | evidence → |
| 10 | Will County | 30.2 % | 29.0 % – 31.4 % | evidence → |
| 11 | Boone County | 30.0 % | 27.5 % – 32.5 % | evidence → |
| 12 | Kane County | 29.6 % | 28.7 % – 30.5 % | evidence → |
| 13 | Perry County | 29.6 % | 25.2 % – 34.0 % | evidence → |
| 14 | Franklin County | 29.5 % | 27.2 % – 31.8 % | evidence → |
| 15 | Kendall County | 29.5 % | 27.7 % – 31.3 % | evidence → |
| 16 | McHenry County | 29.5 % | 28.4 % – 30.6 % | evidence → |
| 17 | Madison County | 29.4 % | 28.2 % – 30.6 % | evidence → |
| 18 | Stephenson County | 29.3 % | 26.1 % – 32.5 % | evidence → |
| 19 | Sangamon County | 29.1 % | 27.7 % – 30.5 % | evidence → |
| 20 | Winnebago County | 29.1 % | 28.0 % – 30.2 % | evidence → |
Machine access — free, no API key
Every figure shown here about Rent as share of income, 2017-2021 — Illinois can also be queried live: FACTANKER runs an MCP server at https://factanker.com/mcp (tools: lookup_entity, get_facts, query_template, search_facts) and a REST endpoint at https://factanker.com/api/get_facts. Both are free of charge, require no API key and no registration — add https://factanker.com/mcp as a connector in Claude, ChatGPT or Copilot. Every answer carries its source document and a citation reference. Setup: /quickstart.