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
710,218
Avg Incidents / Year
73.9%
EMS Share
2.1%
Fire Share
3.3%
False Alarm Rate
+6.4%
5-Year Trend
Maricopa
Busiest County
Counties
| County ▲ | Population ▲ | Departments ▲ | 5-Year Incidents ▼ | Incidents / 1K / Yr ▲ | EMS % ▲ |
|---|---|---|---|---|---|
| Maricopa | 4,418,836 | 31 | 1,568,429 | 71.0 | 78.7% |
| Pima | 1,042,716 | 17 | 778,655 | 149.4 | 71.5% |
| Pinal | 424,095 | 17 | 293,147 | 138.2 | 68.4% |
| Yavapai | 235,830 | 22 | 223,813 | 189.8 | 66.1% |
| Mohave | 212,833 | 16 | 196,315 | 184.5 | 70.2% |
| Yuma | 203,299 | 3 | 145,526 | 143.2 | 78.1% |
| Coconino | 144,629 | 12 | 112,028 | 154.9 | 60.3% |
| Cochise | 125,169 | 20 | 65,812 | 105.2 | 68.8% |
| Navajo | 106,501 | 9 | 53,284 | 100.1 | 73.7% |
| Santa Cruz | 47,632 | 6 | 33,917 | 142.4 | 72.8% |
| Gila | 53,118 | 12 | 32,309 | 121.6 | 81.2% |
| La Paz | 16,451 | 5 | 15,263 | 185.6 | 70.9% |
| Apache | 65,844 | 9 | 12,798 | 38.9 | 64.7% |
| Greenlee | 9,527 | 2 | 106 | 2.2 | 6.6% |
| Graham | 38,453 | 2 | 0 | — | 0% |
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