Seneca, SD

Full City Profile · South Dakota · Faulk County County

4.4 /5.0
A Great
26 Population 62/sq mi density
$40,750 Median Income $23,423 per capita
$28,500 Home Value $150,184 Zillow
44°F Avg Temperature
A
Overall
4.4 / 5.0
Strong
B+
Economy
3.8 / 5.0
$40,750 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$28,500 home value, /mo rent
A
Education
4.4 / 5.0
0.0% bachelor's degree or higher
Seneca has a cool climate with an average annual temperature of 44°F (7°C). Winters average 15°F in January while summers reach 71°F in July. Annual precipitation totals 21.1 inches. The area receives 42.9 inches of snow annually.

Temperature

15°F Jan (-10°C) 71°F Jul (22°C)
Annual Average43.9°F
19% below US avg
January Average15°F (-10°C)
July Average71°F (22°C)

Geography

Elevation1,904 ft (580 m)
Area0.4 sq mi (1.1 km²)
Population Density62/sq mi
Coordinates45.0608°N, 99.5092°W
TimezoneAmerica/Chicago
CountyFaulk County County
Nearest AirportAberdeen Regional (ABR)
59 miles away

Precipitation & Snow

Annual Rainfall 21.1"
44% below US avg
Snowfall 42.9"
Wettest Month (Jun) 3.76"
Driest Month (Jan) 0.51"

Air Quality

Natural Hazard Risk

Overall RiskVery Low
Risk Score8.0 / 100
Social Vulnerability90.7 / 100
Community Resilience48.4 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Very Low
Wildfire Relatively 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 Low
Cold Wave Relatively Low
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

6 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.7. Most recent: M3.7 on May 30, 2024.

May 30, 2024 38 km NNW of Pierre, South Dakota M3.7 92 km
Aug 9, 2011 2 km S of Fort Pierre, South Dakota M3.3 106 km
Aug 5, 2022 4 km ENE of Draper, South Dakota M3.2 147 km
Jul 26, 2002 0 km WSW of Huron, South Dakota M3.1 128 km
Aug 15, 2017 8 km E of Agar, South Dakota M3.0 43 km
Jul 3, 1995 9 km SSW of Fort Thompson, South Dakota M2.8 118 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

291 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 4 fatalities, 26 injuries.

Date Rating Distance Fatalities
May 22, 2010 EF4 47 km 0
Aug 24, 2006 EF3 91 km 0
Aug 24, 2006 EF3 69 km 0
May 31, 1996 EF3 93 km 0
Jun 7, 1993 EF3 84 km 0
Jul 1, 1973 EF3 82 km 1
Jul 3, 1971 EF3 91 km 0
Jun 20, 1968 EF3 76 km 0
Jun 20, 1968 EF3 64 km 0
Jun 9, 1957 EF3 30 km 0
Aug 28, 2024 EF2 90 km 0
Aug 30, 2020 EF2 57 km 1
Jul 4, 2020 EF2 88 km 0
May 22, 2010 EF2 66 km 0
Aug 24, 2006 EF2 69 km 0
Jul 18, 2001 EF2 25 km 0
Jun 7, 1993 EF2 88 km 0
Jun 7, 1993 EF2 88 km 0
Jun 7, 1993 EF2 88 km 0
Jun 30, 1992 EF2 83 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

13 wildfires (100+ acres) within 100 km. Largest: LAPLANTE (14,777 ac, 2002).

Year Name Acres Distance
2002 LAPLANTE 14,777 93 km
2006 THOMPSON COMPLEX 3,230 99 km
2022 ROHRBACH 2,887 31 km
2005 LITTLE BEND 2,789 97 km
2006 1804 2,778 84 km
2011 MOUND CITY 2,755 94 km
2023 LITTLE BEND RX 2,574 97 km
2006 FOUR BEAR 2,179 68 km
2003 JOEL BERTSCH 2 1,460 95 km
1991 UNNAMED 1,438 98 km
2004 ALLEN STUECKLE 1,330 90 km
2005 N HYDE 1,204 39 km
2021 FUZZY 1,075 73 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 15°F (-10°C) 0.5 in Coldest, Driest
February 20°F (-7°C) 0.8 in
March 31°F (-0°C) 1.1 in
April 43°F (6°C) 2.1 in
May 55°F (13°C) 2.8 in
June 66°F (19°C) 3.8 in Wettest
July 71°F (22°C) 2.3 in Warmest
August 70°F (21°C) 2.5 in
September 61°F (16°C) 2.2 in
October 46°F (8°C) 1.9 in
November 31°F (-0°C) 0.7 in
December 19°F (-7°C) 0.6 in

Seneca has a seasonal temperature swing of 57°F / from 15°F in January to 71°F in July. Total annual precipitation is 21.1 inches, with June being the wettest month (3.8") and January the driest (0.5").

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