ZIP 63304 recorded 159 fire and hazmat incidents in 2025, 1,106 across 2021–2025. Primary county: St. Charles County, MO. FEMA NRI rates wildfire risk here as Moderate.
1,106 incidents from 2021 through 2025 inside this ZIP.
| Year | Incidents | |
|---|---|---|
| 2021 | 230 | |
| 2022 | 248 | |
| 2023 | 231 | |
| 2024 | 238 | |
| 2025 | 159 |
Jul peaks. Dec dips. Aggregated across all 5 years inside this ZIP.
Top 5 NFIRS incident types for ZIP 63304 across 2021–2025.
| # | Incident type | Count | Share | |
|---|---|---|---|---|
| 1 | Gas leak (natural gas or LPG) | 243 | 22.0% | |
| 2 | Building fires | 165 | 14.9% | |
| 3 | Unauthorized burning | 92 | 8.3% | |
| 4 | Arcing, shorted electrical equipment | 55 | 5.0% | |
| 5 | Passenger vehicle fire | 51 | 4.6% |
For the 21 building fires reported here in 2025, here's how investigators classified ignition cause.
NFIRS Area of Origin for ZIP 63304 fires across 2021–2025.
| # | Area of origin | Count | Share | |
|---|---|---|---|---|
| 1 | Cooking area, kitchen | 39 | 11.3% | |
| 2 | Engine area, running gear, wheel area | 36 | 10.5% | |
| 3 | Open area - outside; included are farmland, field | 35 | 10.2% | |
| 4 | Outside area, other | 30 | 8.7% | |
| 5 | Wildland, woods | 26 | 7.6% | |
| 6 | Undetermined | 19 | 5.5% | |
| 7 | Vehicle storage area; garage, carport | 18 | 5.2% | |
| 8 | Highway, parking lot, street: on or near | 18 | 5.2% | |
| 9 | All other areas | 123 | 35.8% |
NFIRS HEAT_SOURC code — the physical thing that started the fire.
| # | Heat source | Count | Share | |
|---|---|---|---|---|
| 1 | Undetermined | 141 | 41.0% | |
| 2 | Radiated, conducted heat from operating equipment | 29 | 8.4% | |
| 3 | Hot ember or ash | 27 | 7.8% | |
| 4 | Heat from powered equipment, other | 23 | 6.7% | |
| 5 | Spark, ember or flame from operating equipment | 16 | 4.7% | |
| 6 | Radiated heat from another fire | 13 | 3.8% | |
| 7 | Arcing | 12 | 3.5% | |
| 8 | Fireworks | 12 | 3.5% | |
| 9 | All other sources | 71 | 20.6% |
Largest single-incident losses in ZIP 63304 across 2021–2025. These 8 fires alone account for 269% of the ZIP's 2025 reported total.
| # | Property loss | Type | Year | Severity |
|---|---|---|---|---|
| 1 | $750,000 | Building fires | 2025 | Major |
| 2 | $500,000 | Building fires | 2021 | Major |
| 3 | $500,000 | Building fires | 2021 | Major |
| 4 | $400,000 | Building fires | 2023 | Major |
| 5 | $400,000 | Building fires | 2024 | Major |
| 6 | $250,000 | Building fires | 2023 | Major |
| 7 | $200,000 | Building fires | 2021 | Significant |
| 8 | $200,000 | Fire, other | 2021 | Significant |
Some ZIPs span multiple cities. Ranked by 5-yr NFIRS incidents inside ZIP 63304.
| # | City | 5-yr incidents | |
|---|---|---|---|
| 1 | Weldon Spring | 133 | |
| 2 | Cottleville | 107 |
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 — 1,106 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.