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ZIP-level NFIRS data

Fires in ZIP 53549

ZIP 53549 recorded 58 fire and hazmat incidents in 2025, 361 across 2021–2025. Primary county: Jefferson County, WI.

ZIP 53549 FIPS 55055 ZIP-level
Total incidents (2025)
58
361 across 5 years
Building fires
28
4 wildland
Wildfire risk
40
FEMA NRI · Low
Active fires
0
in Jefferson County
01 Five-year trend

Year over year in ZIP 53549

361 incidents from 2021 through 2025 inside this ZIP.

YearIncidents 
2021 43
2022 55
2023 100
2024 105
2025 58
02 Seasonality

When do fires happen in ZIP 53549?

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

Jan 25
Feb 23
Mar 28
Apr 41
May 21
Jun 49
Jul 59
Aug 24
Sep 40
Oct 14
Nov 23
Dec 14
03 Top incident types

What kinds of calls lead in ZIP 53549?

Top 5 NFIRS incident types for ZIP 53549 across 2021–2025.

#Incident typeCountShare 
1 Building fires 176 48.8%
2 Gas leak (natural gas or LPG) 57 15.8%
3 Brush, or brush and grass mixture fire 19 5.3%
4 Power line down 14 3.9%
5 Fire, other 12 3.3%
04 Cause of ignition

What sparks fires in ZIP 53549?

For the 28 building fires reported here in 2025, here's how investigators classified ignition cause.

Unintentional
40%
34
Cause undetermined
7%
6
Intentional / arson
7%
6
Equipment / heat source failure
2%
2
Under investigation
40%
34
Act of nature (lightning)
4%
2
05 Where fires start

Where in the building fires start

NFIRS Area of Origin for ZIP 53549 fires across 2021–2025.

#Area of originCountShare 
1 Undetermined 12 14.3%
2 Cooking area, kitchen 11 13.1%
3 Open area - outside; included are farmland, field 10 11.9%
4 Outside area, other 9 10.7%
5 Engine area, running gear, wheel area 7 8.3%
6 Common room, den, family room, living room, lounge 3 3.6%
7 Chute/container - trash, rubbish, waste 3 3.6%
8 Vehicle storage area; garage, carport 3 3.6%
9 All other areas 26 31.0%
06 What ignited it

The leading heat sources here

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

#Heat sourceCountShare 
1 Undetermined 30 35.7%
2 Heat from powered equipment, other 11 13.1%
3 Hot ember or ash 8 9.5%
4 Arcing 7 8.3%
5 Hot or smoldering object, other 7 8.3%
6 Heat spread from another fire, other 4 4.8%
7 Spark, ember or flame from operating equipment 2 2.4%
8 Fireworks 2 2.4%
9 All other sources 13 15.5%
07 The biggest fires

5 fires · $1.2M in losses

Largest single-incident losses in ZIP 53549 across 2021–2025. These 5 fires alone account for 7600% of the ZIP's 2025 reported total.

#Property lossTypeYearSeverity
1 $1,000,000 Outside gas or vapor combustion explosion 2023 Major
2 $200,000 Building fires 2023 Significant
3 $15,000 Passenger vehicle fire 2025 Significant
4 $1,000 Water vehicle fire 2025 Significant
5 $1 Building fires 2021 Significant
08 Cities in this ZIP

Most active cities in ZIP 53549

Some ZIPs span multiple cities. Ranked by 5-yr NFIRS incidents inside ZIP 53549.

#City5-yr incidents 
1 Jefferson 351
2 Fort Atkinson 1
3 Palmyra 1
4 Rome 1
5 Whitewater 1
11 Current conditions

Right now in 53549

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 — 361 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.