ZIP 52340 recorded 47 fire and hazmat incidents in 2025, 188 across 2021–2025. Primary county: Johnson County, IA. FEMA NRI rates wildfire risk here as High.
188 incidents from 2021 through 2025 inside this ZIP.
| Year | Incidents | |
|---|---|---|
| 2021 | 4 | |
| 2022 | 36 | |
| 2023 | 58 | |
| 2024 | 43 | |
| 2025 | 47 |
Apr peaks. Aug dips. Aggregated across all 5 years inside this ZIP.
Top 5 NFIRS incident types for ZIP 52340 across 2021–2025.
| # | Incident type | Count | Share | |
|---|---|---|---|---|
| 1 | Building fires | 21 | 11.2% | |
| 2 | Cooking fire, confined to container | 18 | 9.6% | |
| 3 | Unauthorized burning | 16 | 8.5% | |
| 4 | Gas leak (natural gas or LPG) | 14 | 7.4% | |
| 5 | Passenger vehicle fire | 13 | 6.9% |
For the 5 building fires reported here in 2025, here's how investigators classified ignition cause.
NFIRS Area of Origin for ZIP 52340 fires across 2021–2025.
| # | Area of origin | Count | Share | |
|---|---|---|---|---|
| 1 | Engine area, running gear, wheel area | 13 | 25.0% | |
| 2 | Cooking area, kitchen | 11 | 21.2% | |
| 3 | Open area - outside; included are farmland, field | 4 | 7.7% | |
| 4 | Other | 3 | 5.8% | |
| 5 | Entrance way, lobby | 2 | 3.8% | |
| 6 | Vehicle area, other | 2 | 3.8% | |
| 7 | Cargo/trunk area - all vehicles | 2 | 3.8% | |
| 8 | Outside area, other | 2 | 3.8% | |
| 9 | All other areas | 13 | 25.0% |
NFIRS HEAT_SOURC code — the physical thing that started the fire.
| # | Heat source | Count | Share | |
|---|---|---|---|---|
| 1 | Radiated, conducted heat from operating equipment | 14 | 26.9% | |
| 2 | Undetermined | 14 | 26.9% | |
| 3 | Heat from powered equipment, other | 7 | 13.5% | |
| 4 | Heat source: other | 3 | 5.8% | |
| 5 | Hot or smoldering object, other | 2 | 3.8% | |
| 6 | Cigarette | 2 | 3.8% | |
| 7 | Spark, ember or flame from operating equipment | 1 | 1.9% | |
| 8 | Hot ember or ash | 1 | 1.9% | |
| 9 | All other sources | 8 | 15.4% |
Largest single-incident losses in ZIP 52340 across 2021–2025. These 8 fires alone account for 1004% of the ZIP's 2025 reported total.
| # | Property loss | Type | Year | Severity |
|---|---|---|---|---|
| 1 | $188,900 | Building fires | 2024 | Significant |
| 2 | $170,000 | Building fires | 2023 | Significant |
| 3 | $45,000 | Road freight or transport vehicle fire | 2023 | Significant |
| 4 | $25,000 | Building fires | 2024 | Significant |
| 5 | $22,490 | Passenger vehicle fire | 2025 | Significant |
| 6 | $15,000 | Passenger vehicle fire | 2025 | Significant |
| 7 | $10,000 | Special outside fire, other | 2023 | Significant |
| 8 | $7,500 | Passenger vehicle fire | 2025 | Significant |
Some ZIPs span multiple cities. Ranked by 5-yr NFIRS incidents inside ZIP 52340.
| # | City | 5-yr incidents | |
|---|---|---|---|
| 1 | Tiffin | 183 |
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 — 188 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.