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ZIP-level NFIRS data

Fires in ZIP 52246

ZIP 52246 recorded 70 fire and hazmat incidents in 2025, 205 across 2021–2025. Primary county: Johnson County, IA. FEMA NRI rates wildfire risk here as High.

ZIP 52246 FIPS 19103 ZIP-level
Total incidents (2025)
70
205 across 5 years
Building fires
11
7 wildland
Wildfire risk
64
FEMA NRI · High
Active fires
0
in Johnson County
01 Five-year trend

Year over year in ZIP 52246

205 incidents from 2021 through 2025 inside this ZIP.

YearIncidents 
2021 0
2022 4
2023 74
2024 57
2025 70
02 Seasonality

When do fires happen in ZIP 52246?

Nov peaks. Dec dips. Aggregated across all 5 years inside this ZIP.

Jan 17
Feb 15
Mar 28
Apr 33
May 12
Jun 14
Jul 10
Aug 12
Sep 12
Oct 11
Nov 35
Dec 6
03 Top incident types

What kinds of calls lead in ZIP 52246?

Top 5 NFIRS incident types for ZIP 52246 across 2021–2025.

#Incident typeCountShare 
1 Building fires 34 16.6%
2 Passenger vehicle fire 16 7.8%
3 Gas leak (natural gas or LPG) 15 7.3%
4 Cooking fire, confined to container 13 6.3%
5 Unauthorized burning 11 5.4%
04 Cause of ignition

What sparks fires in ZIP 52246?

For the 11 building fires reported here in 2025, here's how investigators classified ignition cause.

Unintentional
72%
39
Cause undetermined
2%
1
Intentional / arson
2%
1
Equipment / heat source failure
22%
12
Under investigation
2%
1
Act of nature (lightning)
0%
0
05 Where fires start

Where in the building fires start

NFIRS Area of Origin for ZIP 52246 fires across 2021–2025.

#Area of originCountShare 
1 Engine area, running gear, wheel area 10 18.5%
2 Wildland, woods 6 11.1%
3 Cooking area, kitchen 5 9.3%
4 Other 4 7.4%
5 Entrance way, lobby 4 7.4%
6 Vehicle area, other 4 7.4%
7 Exterior, exposed surface 3 5.6%
8 Open area - outside; included are farmland, field 3 5.6%
9 All other areas 15 27.8%
06 What ignited it

The leading heat sources here

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

#Heat sourceCountShare 
1 Undetermined 14 25.9%
2 Heat from powered equipment, other 7 13.0%
3 Radiated, conducted heat from operating equipment 7 13.0%
4 Spark, ember or flame from operating equipment 6 11.1%
5 Arcing 5 9.3%
6 Hot or smoldering object, other 5 9.3%
7 Heat, spark from friction 5 9.3%
8 Cigarette 2 3.7%
9 All other sources 3 5.6%
07 The biggest fires

8 fires · $770K in losses

Largest single-incident losses in ZIP 52246 across 2021–2025. These 8 fires alone account for 136% of the ZIP's 2025 reported total.

#Property lossTypeYearSeverity
1 $400,000 Building fires 2025 Major
2 $100,000 Off-road vehicle or heavy equipment fire 2025 Significant
3 $80,000 Building fires 2023 Significant
4 $50,000 Building fires 2025 Significant
5 $35,000 Building fires 2023 Significant
6 $35,000 Building fires 2023 Significant
7 $35,000 Building fires 2023 Significant
8 $35,000 Building fires 2023 Significant
08 Cities in this ZIP

Most active cities in ZIP 52246

Some ZIPs span multiple cities. Ranked by 5-yr NFIRS incidents inside ZIP 52246.

#City5-yr incidents 
1 Iowa City 201
2 Oxford 1
11 Current conditions

Right now in 52246

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 — 205 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.