Marty, SD
Full City Profile · South Dakota · Boyd County County
3.2
/5.0
B
Good
257
Population
80/sq mi density
$19,740
Median Income
$12,050 per capita
$506
Median Rent
20.5% income on rent
48°F
Avg Temperature
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
D
Economy
1.8 / 5.0
$19,740 median income, unemployment
B+
Affordability
3.6 / 5.0
A
Education
4.4 / 5.0
0.0% bachelor's degree or higher
Marty experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 20°F in January while summers reach 75°F in July. Annual precipitation totals 26.1 inches. The area receives 31.3 inches of snow annually.
Temperature
20°F Jan (-7°C)
75°F Jul (24°C)
| Annual Average | 48.0°F |
| 11% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 75°F (24°C) |
Geography
| Elevation | 1,447 ft (441 m) |
| Area | 3.2 sq mi (8.3 km²) |
| Population Density | 80/sq mi |
| Coordinates | 42.9965°N, 98.4302°W |
| Timezone | America/Chicago |
| County | Boyd County County |
| Nearest Airport | Mitchell Municipal (MHE) 57 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 3.4 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 32.4 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 0.6 in | Coldest, Driest |
| February | 24°F (-4°C) | 0.8 in | |
| March | 35°F (2°C) | 1.3 in | |
| April | 47°F (8°C) | 2.9 in | |
| May | 58°F (15°C) | 3.9 in | |
| June | 69°F (21°C) | 4.0 in | Wettest |
| July | 75°F (24°C) | 3.1 in | Warmest |
| August | 72°F (22°C) | 3.2 in | |
| September | 64°F (18°C) | 2.7 in | |
| October | 50°F (10°C) | 2.1 in | |
| November | 36°F (2°C) | 0.9 in | |
| December | 25°F (-4°C) | 0.8 in |
Marty has a seasonal temperature swing of 55°F / from 20°F in January to 75°F in July. Total annual precipitation is 26.1 inches, with June being the wettest month (4.0") and January the driest (0.6").