Crime Score for Johnson County, IL
County FIPS 17087 · Illinois · July 2026 snapshot · powered by SpotCrime
Above Average
Higher crime than 64.34% of US counties
National rank
#3,879
of 735 scored counties
Illinois rank
#127
in state
Score index
83.5
crime intensity
Scored ZIPs
0
in this county
Johnson County in Illinois scored in the 64.3th percentile for reported crime among US counties in July 2026. That is a Above Average rating, above the national midpoint for reported crime. It ranks #3,879 nationally and #127 in Illinois. It fell 5.32 percentile points between June 2026 and July 2026, from 69.66 to 64.34.
Monthly history
| Month | Percentile | National rank | State rank |
|---|---|---|---|
| July 2026 | 64.34 | #3,879 | #127 |
| June 2026 | 69.66 | #3,678 | #270 |
Data: CrimeScore by SpotCrime. Scores describe areas, not people, and are not predictions. Terms.