| Statistic | Reportedincidents | /100k people | Knollwood/100k people | Illinois/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 318 (estimate) | 2,004 | 2,119 |
| Murder | n/a | n/a | n/a | 5.8 | 5.0 |
| Rape | n/a | n/a | n/a | 46.9 | 37.5 |
| Robbery | n/a | n/a | n/a | 90.2 | 60.6 |
| Assault | n/a | n/a | n/a | 146.3 | 256.1 |
| Violent crime | n/a | n/a (estimate) | 46 (estimate) | 289 | 359 |
| Burglary | n/a | n/a | n/a | 290.5 | 229.2 |
| Theft | n/a | n/a | n/a | 1,134.4 | 1,272.1 |
| Vehicle theft | n/a | n/a | n/a | 290.4 | 258.8 |
| Property crime | n/a | n/a (estimate) | 272 (estimate) | 1,715 | 1,760 |


Why stop at city-to-city? With Local Insights, you can compare neighborhoods, zip codes, or even exact addresses. Access 300+ hyperlocal data points—from schools and crime to housing and amenities—to see which area is the better fit.
| Item | Knollwood | Illinois | National |
| Law enforcement employees (officers & civilians) | n/a | 30,690 | 558,732 |
| Police officers & civilians /1000 residents | n/a | 2.6 | 3.3 |
| State | Total offenders | Illinois /100K | National /100K |
| Illinois | 32,213 | 263 | 266 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Tower Lakes, IL | 1,293 | 0 | 0 | 0 |
| Hawthorn Woods, IL | 8,313 | 0 | 137 | 137 |
| Round Lake Park, IL | 7,744 | 90 | 90 | 181 |
| Lindenhurst, IL | 14,317 | 35 | 154 | 188 |
| Third Lake, IL | 1,160 | 41 | 241 | 281 |
| Round Lake Heights, IL | 3,009 | 78 | 234 | 312 |
| North Barrington, IL | 2,789 | 45 | 269 | 314 |
| Knollwood, IL | 1,684 | 46 | 272 | 318 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Rouse, CA | 1,684 | 264 | 1,127 | 1,390 |
| Cassopolis, MI | 1,684 | 409 | 759 | 1,168 |
| Princeville, IL | 1,684 | 123 | 732 | 855 |
| East Helena, MT | 1,684 | 136 | 1,677 | 1,813 |
| Houghton, NY | 1,683 | 210 | 950 | 1,160 |
| Knollwood, IL | 1,684 | 46 | 272 | 318 |