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ZIP-level NFIRS data

Fires in ZIP 53038

ZIP 53038 recorded 48 fire and hazmat incidents in 2025, 179 across 2021–2025. Primary county: Jefferson County, WI.

ZIP 53038 FIPS 55055 ZIP-level
Total incidents (2025)
48
179 across 5 years
Building fires
7
1 wildland
Wildfire risk
40
FEMA NRI · Low
Active fires
0
in Jefferson County
01 Five-year trend

Year over year in ZIP 53038

179 incidents from 2021 through 2025 inside this ZIP.

YearIncidents 
2021 37
2022 25
2023 23
2024 46
2025 48
02 Seasonality

When do fires happen in ZIP 53038?

Oct peaks. Feb dips. Aggregated across all 5 years inside this ZIP.

Jan 15
Feb 5
Mar 5
Apr 16
May 11
Jun 17
Jul 14
Aug 25
Sep 13
Oct 39
Nov 6
Dec 13
03 Top incident types

What kinds of calls lead in ZIP 53038?

Top 5 NFIRS incident types for ZIP 53038 across 2021–2025.

#Incident typeCountShare 
1 Building fires 42 23.5%
2 Gas leak (natural gas or LPG) 17 9.5%
3 Fires in structures other than in a building 12 6.7%
4 Passenger vehicle fire 9 5.0%
5 Carbon monoxide incident 9 5.0%
04 Cause of ignition

What sparks fires in ZIP 53038?

For the 7 building fires reported here in 2025, here's how investigators classified ignition cause.

Unintentional
49%
18
Cause undetermined
16%
6
Intentional / arson
0%
0
Equipment / heat source failure
22%
8
Under investigation
11%
4
Act of nature (lightning)
2%
1
05 Where fires start

Where in the building fires start

NFIRS Area of Origin for ZIP 53038 fires across 2021–2025.

#Area of originCountShare 
1 Undetermined 8 21.6%
2 Engine area, running gear, wheel area 7 18.9%
3 Open area - outside; included are farmland, field 3 8.1%
4 Entrance way, lobby 2 5.4%
5 Cooking area, kitchen 2 5.4%
6 Processing/manufacturing area, workroom 2 5.4%
7 Exterior, exposed surface 2 5.4%
8 Outside area, other 2 5.4%
9 All other areas 9 24.3%
06 What ignited it

The leading heat sources here

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

#Heat sourceCountShare 
1 Undetermined 11 29.7%
2 Heat source: other 5 13.5%
3 Radiated, conducted heat from operating equipment 4 10.8%
4 Spark, ember or flame from operating equipment 3 8.1%
5 Heat from powered equipment, other 2 5.4%
6 Arcing 2 5.4%
7 Hot ember or ash 2 5.4%
8 Lightning 2 5.4%
9 All other sources 6 16.2%
07 The biggest fires

8 fires · $355K in losses

Largest single-incident losses in ZIP 53038 across 2021–2025. These 8 fires alone account for 0% of the ZIP's 2025 reported total.

#Property lossTypeYearSeverity
1 $100,000 Building fires 2021 Significant
2 $100,000 Building fires 2021 Significant
3 $100,000 Building fires 2022 Significant
4 $25,000 Building fires 2024 Significant
5 $10,000 Mobile property (vehicle) fire, other 2021 Significant
6 $10,000 Building fires 2023 Significant
7 $5,000 Building fires 2021 Significant
8 $5,000 Dumpster or other outside trash receptacle fire 2022 Significant
08 Cities in this ZIP

Most active cities in ZIP 53038

Some ZIPs span multiple cities. Ranked by 5-yr NFIRS incidents inside ZIP 53038.

#City5-yr incidents 
1 Johnson Creek 55
2 Fort Atkinson 4
3 Watertown 1
11 Current conditions

Right now in 53038

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 — 179 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.