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ZIP-level NFIRS data

Fires in ZIP 73491

ZIP 73491 recorded 20 fire and hazmat incidents in 2025, 225 across 2021–2025. Primary county: Stephens County, OK. FEMA NRI rates wildfire risk here as Very High.

ZIP 73491 FIPS 40137 ZIP-level
Total incidents (2025)
20
225 across 5 years
Building fires
1
14 wildland
Wildfire risk
89
FEMA NRI · Very High
Active fires
0
in Stephens County
01 Five-year trend

Year over year in ZIP 73491

225 incidents from 2021 through 2025 inside this ZIP.

YearIncidents 
2021 47
2022 52
2023 40
2024 66
2025 20
02 Seasonality

When do fires happen in ZIP 73491?

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

Jan 18
Feb 13
Mar 29
Apr 20
May 7
Jun 12
Jul 13
Aug 24
Sep 29
Oct 33
Nov 12
Dec 15
03 Top incident types

What kinds of calls lead in ZIP 73491?

Top 5 NFIRS incident types for ZIP 73491 across 2021–2025.

#Incident typeCountShare 
1 Grass fire 148 65.8%
2 Fire, other 13 5.8%
3 Brush, or brush and grass mixture fire 10 4.4%
4 Authorized controlled burning 9 4.0%
5 Fires in structures other than in a building 5 2.2%
04 Cause of ignition

What sparks fires in ZIP 73491?

For the 1 building fires reported here in 2025, here's how investigators classified ignition cause.

Unintentional
45%
73
Cause undetermined
7%
12
Intentional / arson
3%
5
Equipment / heat source failure
32%
52
Under investigation
1%
1
Act of nature (lightning)
12%
21
05 Where fires start

Where in the building fires start

NFIRS Area of Origin for ZIP 73491 fires across 2021–2025.

#Area of originCountShare 
1 Open area - outside; included are farmland, field 121 73.8%
2 Highway, parking lot, street: on or near 18 11.0%
3 Outside area, other 7 4.3%
4 Undetermined 3 1.8%
5 Other 2 1.2%
6 Cooking area, kitchen 2 1.2%
7 Storage room, area, tank, or bin 2 1.2%
8 Heating room or area, water heater area 2 1.2%
9 All other areas 7 4.3%
06 What ignited it

The leading heat sources here

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

#Heat sourceCountShare 
1 Undetermined 51 31.1%
2 Arcing 49 29.9%
3 Hot ember or ash 17 10.4%
4 Spark, ember or flame from operating equipment 14 8.5%
5 Lightning 9 5.5%
6 Heat source: other 6 3.7%
7 Heat from powered equipment, other 5 3.0%
8 Flying brand, ember, spark 4 2.4%
9 All other sources 9 5.5%
07 The biggest fires

1 fires · $240K in losses

Largest single-incident losses in ZIP 73491 across 2021–2025. These 1 fires alone account for 0% of the ZIP's 2025 reported total.

#Property lossTypeYearSeverity
1 $240,000 Off-road vehicle or heavy equipment fire 2021 Significant
08 Cities in this ZIP

Most active cities in ZIP 73491

Some ZIPs span multiple cities. Ranked by 5-yr NFIRS incidents inside ZIP 73491.

#City5-yr incidents 
1 Velma 222
2 Duncan 1
11 Current conditions

Right now in 73491

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 — 225 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.