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Manderson, WY

Full City Profile · Wyoming · Big Horn County County

2.8 /5.0
C+ Fair
109 Population 128/sq mi density
$41,563 Median Income $30,849 per capita
$46,900 Home Value $255,292 Zillow
46°F Avg Temperature 293 sunny days/yr
369 Violent Crime/100K 844 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$41,563 median income, 1.0% unemployment
A+
Affordability
5.0 / 5.0
$46,900 home value, /mo rent
F
Safety
1.0 / 5.0
369 violent crimes/100K
F
Education
1.4 / 5.0
5.6% bachelor's degree or higher
Manderson experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 17°F in January while summers reach 74°F in July. The area gets 293 sunny days per year. Annual precipitation totals 8.6 inches. Air quality is rated Good with a median AQI of 34.

Temperature

17°F Jan (-8°C) 74°F Jul (23°C)
Annual Average45.7°F
15% below US avg
January Average17°F (-8°C)
July Average74°F (23°C)
Sunny Days293 days/yr

Geography

Elevation3,896 ft (1,188 m)
Area0.9 sq mi (2.3 km²)
Population Density128/sq mi
Coordinates44.2698°N, 107.9642°W
TimezoneAmerica/Denver
CountyBig Horn County County
Nearest AirportWorland Municipal (WRL)
21 miles away

Precipitation & Snow

Annual Rainfall 8.6"
77% below US avg
Wettest Month (May) 1.42"
Driest Month (Feb) 0.24"

Air Quality

AQI Median34.0
RatingGood

Air Pollutants (EPA 2023)

Ozone (O₃)0.0457 ppm

Natural Hazard Risk

Overall RiskVery Low
Risk Score31.1 / 100
Social Vulnerability52.6 / 100
Community Resilience7.7 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Relatively Low
Wildfire Very Low
Flood Relatively Low
Hail Very Low
Strong Wind Very Low
Heat Wave Very Low
Winter Weather Relatively Low
Lightning Relatively Low
Ice Storm Very Low
Drought Relatively Low
Cold Wave Relatively Low
Landslide Relatively High
Volcano Very Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

38 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.0. Most recent: M2.6 on Mar 8, 2025.

Nov 3, 2017 57 km S of Ten Sleep, Wyoming M4.0 95 km
Apr 13, 2021 51 km S of Ten Sleep, Wyoming M3.9 91 km
Feb 13, 2023 Wyoming M3.7 92 km
Aug 31, 1992 34 km WNW of Kaycee, Wyoming M3.6 89 km
Jul 4, 2021 43 km S of Ten Sleep, Wyoming M3.6 84 km
Aug 7, 1991 31 km NNW of Pavillion, Wyoming M3.5 112 km
Nov 16, 1993 17 km SSE of Ten Sleep, Wyoming M3.5 63 km
Jan 9, 2007 7 km ENE of East Thermopolis, Wyoming M3.5 68 km
Sep 3, 2023 32 km NW of Kaycee, Wyoming M3.3 91 km
Apr 5, 2002 7 km W of South Flat, Wyoming M3.3 38 km
Mar 10, 1993 27 km W of Midwest, Wyoming M3.2 145 km
Oct 31, 2017 56 km S of Ten Sleep, Wyoming M3.2 93 km
Dec 16, 2012 40 km W of Owl Creek, Wyoming M3.1 103 km
Nov 9, 1999 58 km ENE of Shoshoni, Wyoming M3.1 96 km
Nov 30, 2012 33 km NNE of Powder River, Wyoming M3.1 145 km
Feb 13, 1998 12 km NE of Hyattville, Wyoming M3.0 37 km
Nov 8, 2000 40 km ENE of Shoshoni, Wyoming M3.0 95 km
Oct 25, 2009 34 km S of Buffalo, Wyoming M3.0 107 km
Jan 6, 2017 22 km SW of Owl Creek, Wyoming M3.0 94 km
Feb 22, 1992 30 km E of Buffalo, Wyoming M2.9 131 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

64 tornadoes (EF0+) within 100 km since 1950. Strongest: EF3. Total: 1 fatality, 4 injuries.

Date Rating Distance Fatalities
Aug 2, 1985 EF3 62 km 0
Jun 1, 2018 EF2 74 km 0
Jun 1, 2018 EF2 72 km 0
Jul 10, 2001 EF2 53 km 0
Jul 11, 1978 EF2 82 km 0
Jul 4, 1978 EF2 26 km 0
Jul 24, 1967 EF2 20 km 0
Jun 26, 1964 EF2 82 km 0
Jul 9, 1962 EF2 24 km 0
Jun 12, 1962 EF2 42 km 0
Jun 26, 1959 EF2 42 km 1
Jun 3, 1958 EF2 32 km 0
Jun 19, 2019 EF1 70 km 0
Aug 30, 2010 EF1 50 km 0
Jun 1, 2009 EF1 13 km 0
Jun 26, 2001 EF1 24 km 0
Jun 6, 1997 EF1 34 km 0
May 18, 1991 EF1 93 km 0
Aug 25, 1986 EF1 85 km 0
Jun 15, 1984 EF1 82 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: KATESBASIN (141,128 ac, 2000).

Year Name Acres Distance
2000 KATESBASIN 141,128 92 km
1996 EBLACK MTN 53,211 57 km
1996 BATES 47,060 78 km
2018 TEREK 43,872 18 km
2020 NEIBER 17,594 53 km
1988 LOST 13,081 76 km
2007 BONE CREEK 12,776 48 km
1999 ROOSTER 9,624 80 km
2021 CRATER RIDGE 8,147 77 km
1996 WILLOW 7,723 74 km
1996 BUFFALO 2 7,173 58 km
2018 DENVER JAKE 6,973 56 km
2003 LITTLE HORN II 5,889 81 km
2012 GILEAD 5,374 84 km
2002 RED WAFFLE 5,060 100 km
1996 NBROKENBAC 4,921 45 km
2005 BIG HORN 4,899 99 km
2012 OTTER CREEK-UPPER BEE 4,786 72 km
2007 LITTLE GOOSE 4,767 81 km
2000 MUDDYCRK 4,601 79 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 17°F (-8°C) 0.4 in Coldest
February 25°F (-4°C) 0.2 in Driest
March 37°F (3°C) 0.4 in
April 46°F (8°C) 0.8 in
May 56°F (13°C) 1.4 in Wettest
June 66°F (19°C) 1.2 in
July 74°F (23°C) 0.6 in Warmest
August 71°F (22°C) 0.6 in
September 59°F (15°C) 0.9 in
October 47°F (8°C) 0.7 in
November 31°F (-0°C) 0.4 in
December 20°F (-7°C) 0.3 in

Manderson has a seasonal temperature swing of 57°F / from 17°F in January to 74°F in July. Total annual precipitation is 7.9 inches, with May being the wettest month (1.4") and February the driest (0.2").

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