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
3,619,778
Avg Incidents / Year
67.1%
EMS Share
4.1%
Fire Share
5.2%
False Alarm Rate
+3%
5-Year Trend
Los Angeles
Busiest County
Counties
| County ▲ | Population ▲ | Departments ▲ | 5-Year Incidents ▼ | Incidents / 1K / Yr ▲ | EMS % ▲ |
|---|---|---|---|---|---|
| Los Angeles | 10,005,712 | 39 | 3,564,131 | 71.2 | 67% |
| San Diego | 3,295,981 | 55 | 1,552,343 | 94.2 | 73.3% |
| Riverside | 2,416,838 | 38 | 1,406,327 | 116.4 | 74.2% |
| Orange | 3,183,647 | 15 | 1,357,743 | 85.3 | 73.3% |
| San Bernardino | 2,179,979 | 34 | 1,270,107 | 116.5 | 71.3% |
| Sacramento | 1,584,652 | 15 | 1,028,609 | 129.8 | 69.5% |
| Santa Clara | 1,934,625 | 15 | 780,964 | 80.7 | 71.1% |
| Alameda | 1,678,284 | 19 | 667,800 | 79.6 | 67.7% |
| Contra Costa | 1,165,466 | 12 | 449,167 | 77.1 | 61.4% |
| Ventura | 843,136 | 6 | 428,686 | 101.7 | 71.9% |
| Kern | 908,530 | 11 | 423,897 | 93.3 | 59.9% |
| San Joaquin | 778,512 | 23 | 413,919 | 106.3 | 48.9% |
| San Mateo | 763,661 | 24 | 402,987 | 105.5 | 64% |
| Sonoma | 488,330 | 32 | 362,946 | 148.6 | 60.3% |
| Solano | 452,833 | 14 | 271,896 | 120.1 | 68.8% |
| Stanislaus | 552,683 | 22 | 267,939 | 97.0 | 66.7% |
| Tulare | 472,585 | 11 | 248,442 | 105.1 | 62.3% |
| Placer | 404,590 | 19 | 247,792 | 122.5 | 64.4% |
| Santa Barbara | 447,998 | 11 | 229,843 | 102.6 | 62.2% |
| Monterey | 438,599 | 28 | 218,541 | 99.7 | 60.3% |
| Fresno | 1,007,944 | 28 | 211,658 | 42.0 | 67.4% |
| San Francisco | 873,808 | 2 | 164,281 | 37.6 | 12.8% |
| Butte | 211,490 | 8 | 161,842 | 153.0 | 65.5% |
| Marin | 262,172 | 21 | 158,974 | 121.3 | 63.9% |
| San Luis Obispo | 280,370 | 20 | 155,030 | 110.6 | 65.3% |
| Merced | 281,054 | 8 | 146,518 | 104.3 | 58.1% |
| Yolo | 216,393 | 18 | 131,827 | 121.8 | 57.6% |
| Santa Cruz | 270,408 | 15 | 119,254 | 88.2 | 56.6% |
| Shasta | 181,918 | 19 | 112,544 | 123.7 | 59.1% |
| El Dorado | 190,978 | 17 | 108,682 | 113.8 | 66.3% |
| Napa | 137,956 | 7 | 91,796 | 133.1 | 65.1% |
| Nevada | 102,095 | 18 | 73,372 | 143.7 | 60.6% |
| Imperial | 179,319 | 15 | 72,272 | 80.6 | 70.8% |
| Kings | 152,259 | 6 | 67,969 | 89.3 | 61.2% |
| Sutter | 99,621 | 11 | 65,972 | 132.4 | 66.5% |
| Humboldt | 135,972 | 29 | 62,161 | 91.4 | 59.9% |
| Yuba | 81,512 | 10 | 54,861 | 134.6 | 67.3% |
| Madera | 156,146 | 5 | 52,309 | 67.0 | 45.3% |
| Tuolumne | 55,536 | 11 | 48,067 | 173.1 | 66.6% |
| Tehama | 65,755 | 6 | 46,920 | 142.7 | 67.5% |
| Mendocino | 91,247 | 23 | 44,296 | 97.1 | 58% |
| Lake | 68,074 | 9 | 35,901 | 105.5 | 68.4% |
| Calaveras | 45,237 | 15 | 28,505 | 126.0 | 59.2% |
| Amador | 40,427 | 12 | 27,138 | 134.3 | 61.1% |
| Siskiyou | 43,940 | 25 | 26,706 | 121.6 | 66.6% |
| San Benito | 64,102 | 5 | 24,065 | 75.1 | 61.6% |
| Colusa | 21,811 | 9 | 12,747 | 116.9 | 60.4% |
| Lassen | 32,683 | 15 | 12,595 | 77.1 | 68.7% |
| Del Norte | 27,709 | 8 | 8,611 | 62.2 | 45.9% |
| Glenn | 28,889 | 13 | 8,416 | 58.3 | 56.7% |
| Plumas | 19,746 | 18 | 8,408 | 85.2 | 62.7% |
| Mariposa | 17,060 | 3 | 7,360 | 86.3 | 61.2% |
| Mono | 13,147 | 11 | 5,952 | 90.5 | 52.7% |
| Trinity | 15,882 | 11 | 4,915 | 61.9 | 61.4% |
| Inyo | 18,979 | 10 | 3,552 | 37.4 | 54.1% |
| Modoc | 8,672 | 13 | 1,767 | 40.8 | 84.9% |
| Sierra | 3,200 | 7 | 293 | 18.3 | 68.3% |
| Alpine | 1,198 | 5 | 30 | 5.0 | 80% |
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