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ZIP-level NFIRS data

Fires in ZIP 52621

ZIP 52621 recorded 13 fire and hazmat incidents in 2025, 20 across 2021–2025. Primary county: Louisa County, IA.

ZIP 52621 FIPS 19115 ZIP-level 2 counties
Total incidents (2025)
13
20 across 5 years
Building fires
4
5 wildland
Wildfire risk
35
FEMA NRI · Low
Active fires
0
in Louisa County
01 Five-year trend

Year over year in ZIP 52621

20 incidents from 2021 through 2025 inside this ZIP.

YearIncidents 
2021 3
2022 1
2023 1
2024 2
2025 13
02 Seasonality

When do fires happen in ZIP 52621?

Mar peaks. May dips. Aggregated across all 5 years inside this ZIP.

Jan 2
Feb 6
Mar 10
Apr 1
May 0
Jun 0
Jul 0
Aug 0
Sep 1
Oct 0
Nov 0
Dec 0
03 Top incident types

What kinds of calls lead in ZIP 52621?

Top 5 NFIRS incident types for ZIP 52621 across 2021–2025.

#Incident typeCountShare 
1 Building fires 7 35.0%
2 Grass fire 4 20.0%
3 Natural vegetation fire, other 2 10.0%
4 Vehicle accident, general cleanup 2 10.0%
5 Road freight or transport vehicle fire 1 5.0%
04 Cause of ignition

What sparks fires in ZIP 52621?

For the 4 building fires reported here in 2025, here's how investigators classified ignition cause.

Unintentional
17%
1
Cause undetermined
0%
0
Intentional / arson
0%
0
Equipment / heat source failure
83%
5
Under investigation
0%
0
Act of nature (lightning)
0%
0
05 Where fires start

Where in the building fires start

NFIRS Area of Origin for ZIP 52621 fires across 2021–2025.

#Area of originCountShare 
1 Engine area, running gear, wheel area 3 50.0%
2 Wall assembly 2 33.3%
3 Closet 1 16.7%
06 What ignited it

The leading heat sources here

NFIRS HEAT_SOURC code — the physical thing that started the fire.

#Heat sourceCountShare 
1 Heat from powered equipment, other 3 50.0%
2 Spark, ember or flame from operating equipment 1 16.7%
3 Arcing 1 16.7%
4 Heat, spark from friction 1 16.7%
07 The biggest fires

5 fires · $182K in losses

Largest single-incident losses in ZIP 52621 across 2021–2025. These 5 fires alone account for 103% of the ZIP's 2025 reported total.

#Property lossTypeYearSeverity
1 $150,000 Building fires 2025 Significant
2 $22,500 Off-road vehicle or heavy equipment fire 2025 Significant
3 $5,000 Camper or recreational vehicle (RV) fire 2021 Significant
4 $4,000 Road freight or transport vehicle fire 2025 Significant
5 $1 Building fires 2024 Significant
10 Also served by

ZIP 52621 crosses 2 counties

Some ZIPs span multiple counties. The primary above is the largest by population weight; secondary counties are below.

CountyStateWeight 
Washington County IA 1.00 FIPS 19183
11 Current conditions

Right now in 52621

The figures above are historical. For today's air quality, fire-weather warnings, and active fires, go to the official sources.

About ZIP-level data

NFIRS reports each fire incident with a 5-digit address ZIP. We aggregate those rows directly to produce ZIP-level totals — 20 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.