ZIP 55811 recorded 154 fire and hazmat incidents in 2025, 829 across 2021–2025. Primary county: St. Louis County, MN. FEMA NRI rates wildfire risk here as Very High.
829 incidents from 2021 through 2025 inside this ZIP.
| Year | Incidents | |
|---|---|---|
| 2021 | 186 | |
| 2022 | 195 | |
| 2023 | 135 | |
| 2024 | 159 | |
| 2025 | 154 |
May peaks. Jan dips. Aggregated across all 5 years inside this ZIP.
Top 5 NFIRS incident types for ZIP 55811 across 2021–2025.
| # | Incident type | Count | Share | |
|---|---|---|---|---|
| 1 | Power line down | 133 | 16.0% | |
| 2 | Gas leak (natural gas or LPG) | 128 | 15.4% | |
| 3 | Building fires | 91 | 11.0% | |
| 4 | Carbon monoxide incident | 68 | 8.2% | |
| 5 | Authorized controlled burning | 35 | 4.2% |
For the 17 building fires reported here in 2025, here's how investigators classified ignition cause.
NFIRS Area of Origin for ZIP 55811 fires across 2021–2025.
| # | Area of origin | Count | Share | |
|---|---|---|---|---|
| 1 | Undetermined | 30 | 19.1% | |
| 2 | Engine area, running gear, wheel area | 26 | 16.6% | |
| 3 | Cooking area, kitchen | 17 | 10.8% | |
| 4 | Outside area, other | 14 | 8.9% | |
| 5 | Vehicle area, other | 9 | 5.7% | |
| 6 | Open area - outside; included are farmland, field | 7 | 4.5% | |
| 7 | Laundry area, wash house (laundry) | 5 | 3.2% | |
| 8 | Vehicle storage area; garage, carport | 5 | 3.2% | |
| 9 | All other areas | 44 | 28.0% |
NFIRS HEAT_SOURC code — the physical thing that started the fire.
| # | Heat source | Count | Share | |
|---|---|---|---|---|
| 1 | Undetermined | 73 | 46.5% | |
| 2 | Heat from powered equipment, other | 23 | 14.6% | |
| 3 | Arcing | 18 | 11.5% | |
| 4 | Heat source: other | 8 | 5.1% | |
| 5 | Radiated, conducted heat from operating equipment | 7 | 4.5% | |
| 6 | Hot or smoldering object, other | 7 | 4.5% | |
| 7 | Hot ember or ash | 6 | 3.8% | |
| 8 | Spark, ember or flame from operating equipment | 4 | 2.5% | |
| 9 | All other sources | 11 | 7.0% |
Largest single-incident losses in ZIP 55811 across 2021–2025. These 8 fires alone account for 537% of the ZIP's 2025 reported total.
| # | Property loss | Type | Year | Severity |
|---|---|---|---|---|
| 1 | $350,000 | Building fires | 2024 | Major |
| 2 | $350,000 | Building fires | 2024 | Major |
| 3 | $250,000 | Building fires | 2023 | Major |
| 4 | $200,000 | Building fires | 2021 | Significant |
| 5 | $100,000 | Building fires | 2022 | Significant |
| 6 | $100,000 | Building fires | 2022 | Significant |
| 7 | $100,000 | Building fires | 2025 | Significant |
| 8 | $80,000 | Building fires | 2023 | Significant |
Some ZIPs span multiple cities. Ranked by 5-yr NFIRS incidents inside ZIP 55811.
| # | City | 5-yr incidents | |
|---|---|---|---|
| 1 | Duluth | 583 | |
| 2 | Hermantown | 245 | |
| 3 | Gary | 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 — 829 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.