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Mammoth Spring, AR
Full City Profile · Arkansas · Oregon County County
2.8
/5.0
C+
Fair
871
Population
675/sq mi density
$30,800
Median Income
$19,829 per capita
$99,400
Home Value
$182,036 Zillow
$329
Median Rent
26.1% income on rent
57°F
Avg Temperature
305 sunny days/yr
204
Violent Crime/100K
408 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$30,800 median income, 2.4% unemployment
A+
Affordability
4.9 / 5.0
$99,400 home value, $329/mo rent
F
Safety
1.0 / 5.0
204 violent crimes/100K
C
Education
2.4 / 5.0
17.8% bachelor's degree or higher
Mammoth Spring enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 35°F in January while summers reach 78°F in July. The area gets 305 sunny days per year. Annual precipitation totals 48.8 inches. Air quality is rated Good with a median AQI of 43.
Temperature
35°F Jan (2°C)
78°F Jul (26°C)
| Annual Average | 57.4°F |
| 6% above US avg | |
| January Average | 35°F (2°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 569 ft (173 m) |
| Area | 1.4 sq mi (3.6 km²) |
| Population Density | 675/sq mi |
| Coordinates | 36.4924°N, 91.5411°W |
| Timezone | America/Chicago |
| County | Oregon County County |
| Nearest Airport | Sharp County Regional (CKK) 16 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 48.7 / 100 |
| Social Vulnerability | 76.0 / 100 |
| Community Resilience | 1.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1811 | AR: NE - NEW MADRID EARTHQUAKES | Eruption + Earthquake | — | — | 143 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 2.7 in | Coldest, Driest |
| February | 40°F (4°C) | 3.0 in | |
| March | 49°F (9°C) | 4.5 in | |
| April | 58°F (15°C) | 4.3 in | |
| May | 66°F (19°C) | 4.3 in | |
| June | 74°F (23°C) | 3.6 in | |
| July | 78°F (26°C) | 3.2 in | Warmest |
| August | 78°F (25°C) | 3.3 in | |
| September | 70°F (21°C) | 3.9 in | |
| October | 59°F (15°C) | 3.5 in | |
| November | 48°F (9°C) | 4.7 in | Wettest |
| December | 38°F (3°C) | 4.1 in |
Mammoth Spring has a seasonal temperature swing of 44°F / from 35°F in January to 78°F in July. Total annual precipitation is 45.2 inches, with November being the wettest month (4.7") and January the driest (2.7").