ZIP 08638 recorded 252 fire and hazmat incidents in 2025, 1,107 across 2021–2025. Primary county: Mercer County, NJ. FEMA NRI rates wildfire risk here as High.
1,107 incidents from 2021 through 2025 inside this ZIP.
| Year | Incidents | |
|---|---|---|
| 2021 | 149 | |
| 2022 | 255 | |
| 2023 | 188 | |
| 2024 | 263 | |
| 2025 | 252 |
Apr peaks. Dec dips. Aggregated across all 5 years inside this ZIP.
Top 5 NFIRS incident types for ZIP 08638 across 2021–2025.
| # | Incident type | Count | Share | |
|---|---|---|---|---|
| 1 | Cooking fire, confined to container | 212 | 19.2% | |
| 2 | Gas leak (natural gas or LPG) | 169 | 15.3% | |
| 3 | Building fires | 125 | 11.3% | |
| 4 | Overheated motor | 90 | 8.1% | |
| 5 | Brush, or brush and grass mixture fire | 74 | 6.7% |
For the 14 building fires reported here in 2025, here's how investigators classified ignition cause.
NFIRS Area of Origin for ZIP 08638 fires across 2021–2025.
| # | Area of origin | Count | Share | |
|---|---|---|---|---|
| 1 | Undetermined | 143 | 43.7% | |
| 2 | Cooking area, kitchen | 66 | 20.2% | |
| 3 | Outside area, other | 25 | 7.6% | |
| 4 | Bedroom - < 5 persons; included are jail or prison | 20 | 6.1% | |
| 5 | Highway, parking lot, street: on or near | 11 | 3.4% | |
| 6 | Bedroom - 5+ persons; including barrack/dormitory | 10 | 3.1% | |
| 7 | Engine area, running gear, wheel area | 9 | 2.8% | |
| 8 | Open area - outside; included are farmland, field | 8 | 2.4% | |
| 9 | All other areas | 35 | 10.7% |
NFIRS HEAT_SOURC code — the physical thing that started the fire.
| # | Heat source | Count | Share | |
|---|---|---|---|---|
| 1 | Undetermined | 225 | 68.8% | |
| 2 | Radiated, conducted heat from operating equipment | 54 | 16.5% | |
| 3 | Heat from powered equipment, other | 10 | 3.1% | |
| 4 | Spark, ember or flame from operating equipment | 10 | 3.1% | |
| 5 | Cigarette | 5 | 1.5% | |
| 6 | Hot ember or ash | 4 | 1.2% | |
| 7 | Heat source: other | 3 | 0.9% | |
| 8 | Arcing | 3 | 0.9% | |
| 9 | All other sources | 13 | 4.0% |
Largest single-incident losses in ZIP 08638 across 2021–2025. These 8 fires alone account for 0% of the ZIP's 2025 reported total.
| # | Property loss | Type | Year | Severity |
|---|---|---|---|---|
| 1 | $41,000,000 | Building fires | 2023 | Catastrophic |
| 2 | $100,000 | Building fires | 2021 | Significant |
| 3 | $75,000 | Building fires | 2021 | Significant |
| 4 | $56,103 | Building fires | 2022 | Significant |
| 5 | $30,000 | Building fires | 2021 | Significant |
| 6 | $25,000 | Building fires | 2021 | Significant |
| 7 | $10,000 | Building fires | 2022 | Significant |
| 8 | $10,000 | Power line down | 2022 | Significant |
Some ZIPs span multiple cities. Ranked by 5-yr NFIRS incidents inside ZIP 08638.
| # | City | 5-yr incidents | |
|---|---|---|---|
| 1 | Ewing | 998 | |
| 2 | Trenton | 98 | |
| 3 | Lawrence | 6 | |
| 4 | Brigantine | 1 | |
| 5 | Hamilton | 1 |
The figures above are historical. For today's air quality, fire-weather warnings, and active fires, go to the official sources.
NFIRS reports each fire incident with a 5-digit address ZIP. We aggregate those rows directly to produce ZIP-level totals — 1,107 incidents in this ZIP across 2021–2025. Building-fire breakdowns (Area of Origin, Heat Source, ignition cause) only count fires investigators classified beyond the basic incident report. Because NFIRS reporting is voluntary, totals are a strong indicator rather than a complete census.