Darley Data Center℠
Chicago Fire Department
Cook County • Performance Metrics 2019 – 2024
Trimmed Mean (5%) Response Time
5.5 min
Trimmed Mean (5%) Scene Time
39.0 min
Trimmed Mean (5%) Clear Time
44.7 min
Performance Trends
Compare Chicago Fire Department against county and state trimmed mean (5%)s.
Response Time: Time from alarm to arrival on scene.
Calculated as a 5% trimmed mean, removing the lowest and highest 5% of incident durations before averaging.Source: NFIRS Public Historical Dataset.
Key Insights
- Chicago Fire Department maintains a 5.5-minute trimmed mean (5%) response time, compared to the Cook County trimmed mean (5%) of 5.2 minutes
- Scene time has improved by 6.6% since 2019, showing enhanced operational efficiency
Year-over-Year Trends
Comparing 2024 performance to 2023
Chicago Fire Department
Response Time
Scene Time
Clear Time
Response Time
Trimmed Mean (5%) comparison against regional averages
Chicago Fire Department
Performance Summary
Resource Efficiency
Based on 6 years of data
Chicago Fire Department
Busiest: Friday at 15:00
334,418
2,006,510
Staffing
100
Stations
4881
Career
0
Vol
4881
Total
Fire Incidents Heatmap
Top 10 Actions & Locations
Top 10 categories by total count across all years.
