In 2025, fire departments serving St. Clair County responded to 3,630 fire and hazmat incidents — including a single $1000.0M property loss.
Building fires lead by count. Top five categories make up about 52% of all calls.
Mar peaks. Jan dips.
17,611 incidents from 2021 through 2025.
| Year | Incidents | |
|---|---|---|
| 2021 | 3,055 | |
| 2022 | 3,364 | |
| 2023 | 4,190 | |
| 2024 | 3,372 | |
| 2025 | 3,630 |
For the 724 building fires departments responded to in 2025, here's how investigators classified them.
Largest single-incident property losses in St. Clair County during 2025. These 10 fires alone account for 99% of the county's total.
| # | Property loss | City | Type | Severity |
|---|---|---|---|---|
| 1 | $999,999,999 | LENZBURG | Building fires | Catastrophic |
| 2 | $9,999,999 | MARISSA | Fires in structures other than in a building | Catastrophic |
| 3 | $1,010,022 | Fairview Heights | Building fires | Major |
| 4 | $1,000,000 | FREEBURG | Building fires | Major |
| 5 | $375,000 | MILLSTADT | Building fires | Major |
| 6 | $372,045 | BELLEVILLE | Building fires | Major |
| 7 | $350,000 | FREEBURG | Building fires | Major |
| 8 | $325,000 | BELLEVILLE | Building fires | Major |
| 9 | $300,000 | East St Louis | Fire, other | Major |
| 10 | $286,452 | BELLEVILLE | Building fires | Major |
Per-capita rates let us compare apples to apples.
12 cities mapped to FIPS 17163.
| City | Population | |
|---|---|---|
| Belleville | 42,155 | View › |
| O'Fallon | 32,104 | View › |
| East St. Louis | 18,796 | View › |
| Cahokia Heights | 17,753 | View › |
| Fairview Heights | 16,360 | View › |
| Swansea | 14,888 | View › |
| Shiloh | 13,892 | View › |
| Mascoutah | 8,762 | View › |
| Lebanon | 4,683 | View › |
| Freeburg | 4,203 | View › |
| Millstadt | 4,035 | View › |
| Scott AFB | 4,023 | View › |
35 departments report from this county.
Top 10 fire perimeters by acres burned (state-scoped fallback while we build out per-county polygons).
| # | Name | Year | Agency | Acres |
|---|---|---|---|---|
| 1 | Red Shale RX | 2024 | FWS | 1,290 |
| 2 | Herrin Flats RX | 2024 | FWS | 1,134 |
| 3 | Beach RX | 2024 | FWS | 864 |
| 4 | Hampton North RX | 2024 | FWS | 708 |
| 5 | Hampton RX | 2024 | FWS | 668 |
| 6 | Grassy Creek 2 RX | 2024 | FWS | 621 |
| 7 | Chamness RX | 2024 | FWS | 610 |
| 8 | Greenbriar RX | 2024 | FWS | 590 |
| 9 | COR - Devils Kitchen West RX | 2024 | FWS | 468 |
| 10 | Smith RX | 2024 | FWS | 366 |
County-level NFIRS aggregates for 2025, plus 5-year totals across 2021–2025. NFIRS is voluntary — about 23,000 of roughly 30,000 US fire departments report — so totals are a strong indicator, not a complete census. Wildfire risk score (0–100) and Expected Annual Loss come from FEMA's National Risk Index. Drought class is the most recent USDM classification (D0 = abnormally dry through D4 = exceptional drought). Historical fire perimeters are sourced from the NIFC InterAgency Fire Perimeter History.