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Bison, SD
Full City Profile · South Dakota · Perkins County County
3.9
/5.0
B+
Good
419
Population
423/sq mi density
$62,273
Median Income
$35,859 per capita
$72,300
Home Value
$163,393 Zillow
$943
Median Rent
28.5% income on rent
46°F
Avg Temperature
311 sunny days/yr
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$62,273 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$72,300 home value, $943/mo rent
C+
Education
2.6 / 5.0
20.0% bachelor's degree or higher
Bison experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 20°F in January while summers reach 72°F in July. The area gets 311 sunny days per year. Annual precipitation totals 18.1 inches. The area receives 39.7 inches of snow annually. Air quality is rated Good with a median AQI of 35.
Temperature
20°F Jan (-7°C)
72°F Jul (22°C)
| Annual Average | 45.7°F |
| 15% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 311 days/yr |
Geography
| Elevation | 2,774 ft (846 m) |
| Area | 1.0 sq mi (2.6 km²) |
| Population Density | 423/sq mi |
| Coordinates | 45.5236°N, 102.4677°W |
| Timezone | America/Chicago |
| County | Perkins County County |
| Nearest Airport | Dickinson/Theodore Roosevelt Regional (DIK) 90 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 2.6 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 13.3 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| 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) | 0.4 in | Coldest, Driest |
| February | 22°F (-6°C) | 0.4 in | |
| March | 31°F (-1°C) | 1.0 in | |
| April | 44°F (7°C) | 2.1 in | |
| May | 56°F (13°C) | 2.8 in | |
| June | 65°F (19°C) | 3.0 in | Wettest |
| July | 72°F (22°C) | 2.1 in | Warmest |
| August | 71°F (22°C) | 1.5 in | |
| September | 60°F (16°C) | 1.3 in | |
| October | 47°F (8°C) | 1.1 in | |
| November | 31°F (-1°C) | 0.5 in | |
| December | 20°F (-7°C) | 0.4 in |
Bison has a seasonal temperature swing of 53°F / from 20°F in January to 72°F in July. Total annual precipitation is 16.6 inches, with June being the wettest month (3.0") and January the driest (0.4").