ZIP 51003 recorded 16 fire and hazmat incidents in 2025, 63 across 2021–2025. Primary county: Sioux County, IA.
63 incidents from 2021 through 2025 inside this ZIP.
| Year | Incidents | |
|---|---|---|
| 2021 | 2 | |
| 2022 | 13 | |
| 2023 | 8 | |
| 2024 | 24 | |
| 2025 | 16 |
Apr peaks. Dec dips. Aggregated across all 5 years inside this ZIP.
Top 5 NFIRS incident types for ZIP 51003 across 2021–2025.
| # | Incident type | Count | Share | |
|---|---|---|---|---|
| 1 | Grass fire | 16 | 25.4% | |
| 2 | Building fires | 12 | 19.0% | |
| 3 | Passenger vehicle fire | 4 | 6.3% | |
| 4 | Off-road vehicle or heavy equipment fire | 4 | 6.3% | |
| 5 | Special outside fire, other | 3 | 4.8% |
For the 5 building fires reported here in 2025, here's how investigators classified ignition cause.
NFIRS Area of Origin for ZIP 51003 fires across 2021–2025.
| # | Area of origin | Count | Share | |
|---|---|---|---|---|
| 1 | Outside area, other | 9 | 33.3% | |
| 2 | Cargo/trunk area - all vehicles | 3 | 11.1% | |
| 3 | Engine area, running gear, wheel area | 3 | 11.1% | |
| 4 | Open area - outside; included are farmland, field | 3 | 11.1% | |
| 5 | Cooking area, kitchen | 2 | 7.4% | |
| 6 | Common room, den, family room, living room, lounge | 1 | 3.7% | |
| 7 | Storage room, area, tank, or bin | 1 | 3.7% | |
| 8 | Maintenance shop or area, paint shop or area | 1 | 3.7% | |
| 9 | All other areas | 4 | 14.8% |
NFIRS HEAT_SOURC code — the physical thing that started the fire.
| # | Heat source | Count | Share | |
|---|---|---|---|---|
| 1 | Undetermined | 9 | 33.3% | |
| 2 | Hot ember or ash | 5 | 18.5% | |
| 3 | Chemical reaction | 3 | 11.1% | |
| 4 | Heat from powered equipment, other | 2 | 7.4% | |
| 5 | Radiated, conducted heat from operating equipment | 2 | 7.4% | |
| 6 | Spark, ember or flame from operating equipment | 1 | 3.7% | |
| 7 | Hot or smoldering object, other | 1 | 3.7% | |
| 8 | Heat from other open flame or smoking materials | 1 | 3.7% | |
| 9 | All other sources | 3 | 11.1% |
Largest single-incident losses in ZIP 51003 across 2021–2025. These 8 fires alone account for 161% of the ZIP's 2025 reported total.
| # | Property loss | Type | Year | Severity |
|---|---|---|---|---|
| 1 | $100,000 | Building fires | 2023 | Significant |
| 2 | $75,000 | Building fires | 2025 | Significant |
| 3 | $50,000 | Cultivated grain or crop fire | 2025 | Significant |
| 4 | $50,000 | Building fires | 2025 | Significant |
| 5 | $40,000 | Off-road vehicle or heavy equipment fire | 2025 | Significant |
| 6 | $30,000 | Off-road vehicle or heavy equipment fire | 2021 | Significant |
| 7 | $30,000 | Camper or recreational vehicle (RV) fire | 2025 | Significant |
| 8 | $20,000 | Fire in mobile home used as fixed residence | 2022 | Significant |
Some ZIPs span multiple cities. Ranked by 5-yr NFIRS incidents inside ZIP 51003.
| # | City | 5-yr incidents | |
|---|---|---|---|
| 1 | Alton | 63 |
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 — 63 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.