In 2025, fire departments serving King of Prussia responded to 284 fire and hazmat incidents — from cooking fires to gas leaks to a single $1.0M building blaze. Here's the full picture.
Building fires lead by count. Building fires lead by dollars. Together the top five categories make up about 69% of all calls.
Nov peaks. Aug dips. Watch for the typical fall climb starting in October.
1,494 incidents 2021–2025. Peak year was 2022. $6.2M cumulative property loss.
| Year | Incidents | YoY | |
|---|---|---|---|
| 2021 | 308 | — | |
| 2022 | 312 | +1.3% | |
| 2023 | 302 | -3.2% | |
| 2024 | 288 | -4.6% | |
| 2025 | 284 | -1.4% |
For the 56 building fires King of Prussia departments responded to in 2025, here's how they were classified once investigators were finished.
NFIRS Area of Origin (AREA_ORIG) for the 285 building fires investigators classified across 2021–2025. The room or location where ignition occurred — kitchens, bedrooms, exterior, vehicle areas — tells you where to focus prevention.
| # | Area of origin | Count | Share | |
|---|---|---|---|---|
| 1 | Engine area, running gear, wheel area | 60 | 21.1% | |
| 2 | Undetermined | 40 | 14.0% | |
| 3 | Cooking area, kitchen | 27 | 9.5% | |
| 4 | Highway, parking lot, street: on or near | 26 | 9.1% | |
| 5 | Outside area, other | 23 | 8.1% | |
| 6 | Other | 11 | 3.9% | |
| 7 | Vehicle area, other | 9 | 3.2% | |
| 8 | Open area - outside; included are farmland, field | 9 | 3.2% | |
| 9 | Laundry area, wash house (laundry) | 8 | 2.8% | |
| 10 | Operator/passenger area of transportation equip. | 8 | 2.8% | |
| 11 | All other areas | 64 | 22.5% |
NFIRS Heat Source (HEAT_SOURC) — the physical thing that started it. Spark or ember from operating equipment, an open flame, smoking materials, or hot embers from a fireplace are the leading culprits nationwide. Here's the King of Prussia mix.
| # | Heat source | Count | Share | |
|---|---|---|---|---|
| 1 | Undetermined | 136 | 47.7% | |
| 2 | Radiated, conducted heat from operating equipment | 30 | 10.5% | |
| 3 | Heat from powered equipment, other | 28 | 9.8% | |
| 4 | Arcing | 16 | 5.6% | |
| 5 | Heat source: other | 12 | 4.2% | |
| 6 | Hot or smoldering object, other | 9 | 3.2% | |
| 7 | Spark, ember or flame from operating equipment | 8 | 2.8% | |
| 8 | Cigarette | 8 | 2.8% | |
| 9 | Heat, spark from friction | 5 | 1.8% | |
| 10 | Heat from other open flame or smoking materials | 4 | 1.4% | |
| 11 | All other sources | 29 | 10.2% |
Largest single-incident property losses reported by King of Prussia departments in 2025. These 8 fires alone account for 93% of the city's annual total.
| # | Property loss | Type | Severity | Status |
|---|---|---|---|---|
| 1 | $1,000,000 | Building fires | Major | Investigated |
| 2 | $1,000,000 | Building fires | Major | Investigated |
| 3 | $700,000 | Building fires | Major | Investigated |
| 4 | $400,000 | Building fires | Major | Investigated |
| 5 | $200,000 | Passenger vehicle fire | Significant | Investigated |
| 6 | $200,000 | Building fires | Significant | Investigated |
| 7 | $100,000 | Building fires | Significant | Investigated |
| 8 | $90,000 | Passenger vehicle fire | Significant | Investigated |
Per-capita rates let us compare apples to apples. King of Prussia sits above the national average for incidents per resident.
12 fire-related casualties recorded in NFIRS Module 11 across the 2021–2025 window. Age, gender, and severity are coarse-binned — no individual identification possible.
| Age | Count | |
|---|---|---|
| 0-9 | 0 | |
| 10-19 | 1 | |
| 20-29 | 4 | |
| 30-39 | 3 | |
| 40-49 | 0 | |
| 50-59 | 0 | |
| 60-69 | 2 | |
| 70-79 | 0 | |
| 80+ | 0 |
Top 25 wildfires (1992+) in the FPA-FOD ignitions database, scaled by acres. 35,087 acres burned in this 50-mile radius. Each dot is a fire — bigger dots burned more land.
| Year | Cause | Acres | Distance | |
|---|---|---|---|---|
| 2017 | Missing data/not specified/undetermined | 3,577 | 48.7 mi | |
| 1992 | Arson/incendiarism | 2,900 | 45.2 mi | |
| 2002 | Missing data/not specified/undetermined | 2,600 | 47.0 mi | |
| 2007 | Missing data/not specified/undetermined | 2,450 | 44.5 mi | |
| 2014 | Missing data/not specified/undetermined | 2,300 | 47.8 mi | |
| 2010 | Missing data/not specified/undetermined | 2,240 | 45.6 mi | |
| 2020 | Arson/incendiarism | 2,107 | 40.3 mi | |
| 2008 | Arson/incendiarism | 1,950 | 41.2 mi | |
| 1997 | Arson/incendiarism | 1,900 | 45.5 mi | |
| 2014 | Arson/incendiarism | 1,600 | 48.4 mi | |
| 2016 | Missing data/not specified/undetermined | 1,500 | 47.0 mi | |
| 2017 | Missing data/not specified/undetermined | 1,500 | 48.5 mi |
Top 3 ZIP codes by NFIRS incident count across 2021–2025. Each ZIP has its own fire profile — dive in for neighborhood-level context.
Six Pennsylvania cities with population within ±25% of King of Prussia. Useful comparison targets — same state, similar size, different fire profile.
2 departments report to NFIRS for incidents in King of Prussia.
A 30-minute weekend can cut your home's exposure substantially. These four checklists are a good starting point.
Numbers reflect incidents reported by participating fire departments to the National Fire Incident Reporting System (NFIRS) Public Data Release for calendar year 2025. NFIRS is voluntary — about 23,000 of roughly 30,000 US fire departments report — so totals are a strong indicator, not a complete census. Per-capita comparisons use 2023 ACS population estimates. Wildland fire data complements NFIRS with NIFC and USFS perimeters. Active-fire counts come from a dated NIFC snapshot, not a live feed.