Data disclaimer: Based on the NFIRS Public Data Release (2021–2025). NFIRS is voluntarily reported and may not include all departments or incidents. Some departments have missing years or incomplete records. Totals shown reflect data as submitted and may not represent complete activity.
Incident Composition (2021–2025)
5-Year Trends
Total Incidents
By Incident Type
Key Metrics
122,024
Avg Incidents / Year
67%
EMS Share
1.9%
Fire Share
13.2%
False Alarm Rate
+16.1%
5-Year Trend
27
Departments
Departments
| Department ▲ | 5-Year Incidents ▼ | Fire % ▲ | EMS % ▲ | False Alarm % ▲ | Trend ▲ |
|---|---|---|---|---|---|
| Naperville FD | 78,233 | 1.1% | 67% | 16% | -6.2% |
| Lombard FD | 39,332 | 1.5% | 72.3% | 8.6% | +9.3% |
| Lislewoodridge Fpd | 36,061 | 1.4% | 64.9% | 14.7% | +190.6% |
| Downers Grove FD | 35,343 | 0.9% | 61.7% | 13.9% | +49% |
| Elmhurst FD | 34,190 | 1.8% | 66.8% | 11.7% | +12.9% |
| Wheaton FD | 32,491 | 1.6% | 74.2% | 10.9% | +7.8% |
| Tristate Fpd | 31,899 | 1.7% | 63.3% | 14.1% | +8.8% |
| Carol Stream Fpd | 30,032 | 2% | 76.9% | 9.9% | +13.1% |
| Bloomingdale Fpd | 28,644 | 2% | 69.8% | 13% | +8.4% |
| Addison Fpd | 28,494 | 2.5% | 71% | 8.9% | +7.1% |
| Westmont FD | 25,770 | 1.9% | 63.7% | 13.8% | +19.4% |
| West Chicago Fpd | 19,147 | 2.4% | 62.9% | 15.7% | +13.2% |
| Bensenville FD | 18,304 | 2.3% | 60.6% | 23.4% | -10.6% |
| Darienwoodridge Fpd | 18,108 | 2.8% | 64% | 11.3% | +10.4% |
| Glen Ellyn FD | 17,382 | 1.3% | 76.7% | 11.1% | +21.3% |
| Villa Park FD | 16,569 | 3.2% | 75.8% | 6.2% | +7% |
| Village of Roselle FD | 15,930 | 2.7% | 68.2% | 9.7% | +19.4% |
| Oak Brook FD | 14,954 | 1.3% | 63.5% | 14.7% | +32.7% |
| Hinsdale FD | 13,207 | 1.7% | 55.8% | 19.5% | +3% |
| Glenside Fpd | 12,518 | 2.3% | 61.1% | 17.4% | +127.8% |
| Wood Dale Fpd | 12,165 | 3.4% | 64.6% | 12% | -16.9% |
| Winfield Fpd | 11,111 | 1.3% | 77.1% | 6.4% | +16.3% |
| Warrenville Fpd | 9,865 | 2.2% | 66% | 15.9% | +14.9% |
| Itasca Fpd | 8,732 | 3.2% | 62.6% | 11.9% | +0.4% |
| York Center Fpd | 8,577 | 4.2% | 49.6% | 18% | -12.1% |
| Oakbrook Terrace Fpd | 8,227 | 2.5% | 56.6% | 21.9% | +6.7% |
| Clarendon Hills FD | 4,837 | 1.6% | 50.4% | 16% | +101.6% |
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