Size categories of communities responding to the surveys and their response rates. Categories 1 through 4 are from the 1995 small-community survey. Categories 5 through 7 are from the 1999 large-community survey.
| Population | Number of Illinois communities | Number of responding ommunities | Response crate (%) |
|---|---|---|---|
| Less than 2,500 | 867 | 369 | +43 |
| 2,500–4,999 | 125 | 64 | 51 |
| 5,000–9,999 | 111 | 70 | 63 |
| 10,000–24,999 | 111 | 76 | 68 |
| 25,000–49,999 | 50 | 36 | 72 |
| 50,000–99,999 | 18 | 16 | 89 |
| 100,000 or greater | 6 | 5 | 83 |
| Total | 1,288 | 636 | 49 |