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ZIP-level NFIRS data

Fires in ZIP 20141

ZIP 20141 recorded 39 fire and hazmat incidents in 2025, 154 across 2021–2025. Primary county: Loudoun County, VA.

ZIP 20141 FIPS 51107 ZIP-level
Total incidents (2025)
39
154 across 5 years
Building fires
0
7 wildland
Wildfire risk
37
FEMA NRI · Low
Active fires
0
in Loudoun County
01 Five-year trend

Year over year in ZIP 20141

154 incidents from 2021 through 2025 inside this ZIP.

YearIncidents 
2021 27
2022 34
2023 25
2024 29
2025 39
02 Seasonality

When do fires happen in ZIP 20141?

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

Jan 13
Feb 11
Mar 28
Apr 26
May 9
Jun 3
Jul 10
Aug 13
Sep 11
Oct 7
Nov 12
Dec 11
03 Top incident types

What kinds of calls lead in ZIP 20141?

Top 5 NFIRS incident types for ZIP 20141 across 2021–2025.

#Incident typeCountShare 
1 Authorized controlled burning 22 14.3%
2 Hazardous condition, other 16 10.4%
3 Gas leak (natural gas or LPG) 16 10.4%
4 Power line down 15 9.7%
5 Vehicle accident, general cleanup 11 7.1%
04 Cause of ignition

What sparks fires in ZIP 20141?

For the 0 building fires reported here in 2025, here's how investigators classified ignition cause.

Unintentional
47%
14
Cause undetermined
0%
0
Intentional / arson
23%
7
Equipment / heat source failure
10%
3
Under investigation
17%
5
Act of nature (lightning)
3%
1
05 Where fires start

Where in the building fires start

NFIRS Area of Origin for ZIP 20141 fires across 2021–2025.

#Area of originCountShare 
1 Undetermined 10 33.3%
2 Other 6 20.0%
3 Outside area, other 3 10.0%
4 Open area - outside; included are farmland, field 3 10.0%
5 Engine area, running gear, wheel area 2 6.7%
6 Stage area - performance, basketball court, boxing 1 3.3%
7 Vehicle storage area; garage, carport 1 3.3%
8 Vehicle area, other 1 3.3%
9 All other areas 3 10.0%
06 What ignited it

The leading heat sources here

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

#Heat sourceCountShare 
1 Undetermined 10 33.3%
2 Hot or smoldering object, other 3 10.0%
3 Hot ember or ash 3 10.0%
4 Heat source: other 2 6.7%
5 Heat from powered equipment, other 2 6.7%
6 Radiated, conducted heat from operating equipment 2 6.7%
7 Arcing 2 6.7%
8 Heat, spark from friction 1 3.3%
9 All other sources 5 16.7%
07 The biggest fires

3 fires · $636K in losses

Largest single-incident losses in ZIP 20141 across 2021–2025. These 3 fires alone account for 0% of the ZIP's 2025 reported total.

#Property lossTypeYearSeverity
1 $624,525 Building fires 2023 Major
2 $10,000 Fires in structures other than in a building 2021 Significant
3 $1,000 Special outside fire, other 2023 Significant
08 Cities in this ZIP

Most active cities in ZIP 20141

Some ZIPs span multiple cities. Ranked by 5-yr NFIRS incidents inside ZIP 20141.

#City5-yr incidents 
1 Round Hill 151
2 Purcellville 1
11 Current conditions

Right now in 20141

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 — 154 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.