Oldham, SD

Full City Profile · South Dakota · Kingsbury County County

3.0 /5.0

B Good

98 Population 392/sq mi density

$29,643 Median Income $40,543 per capita

$62,000 Home Value $245,929 Zillow

$388 Median Rent 51.0% income on rent

45°F Avg Temperature 276 sunny days/yr

142 Violent Crime/100K 1,332 property/100K

Overall

3.0 / 5.0

Good overall score based on economy, affordability, safety and education

Economy

3.3 / 5.0

$29,643 median income, 0.0% unemployment

A+

Affordability

5.0 / 5.0

$62,000 home value, $388/mo rent

Safety

1.0 / 5.0

142 violent crimes/100K

C+

Education

2.8 / 5.0

23.1% bachelor's degree or higher

Oldham has a cool climate with an average annual temperature of 45°F (7°C). Winters average 15°F in January while summers reach 72°F in July. The area gets 276 sunny days per year. Annual precipitation totals 26.2 inches. Air quality is rated Good with a median AQI of 35.

Temperature

15°F Jan (-10°C) 72°F Jul (22°C)

Annual Average	44.7°F
	17% below US avg
January Average	15°F (-10°C)
July Average	72°F (22°C)
Sunny Days	276 days/yr

Geography

Elevation	1,721 ft (525 m)
Area	0.3 sq mi (0.6 km²)
Population Density	392/sq mi
Coordinates	44.2282°N, 97.3095°W
Timezone	America/Chicago
County	Kingsbury County County
Nearest Airport	Brookings Regional (BKX) 25 miles away

Precipitation & Snow

Annual Rainfall 26.2"

31% below US avg

Wettest Month (Jun) 3.94"

Driest Month (Jan) 0.51"

Air Quality

AQI Median	35.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	7.9 / 100
Social Vulnerability	10.6 / 100
Community Resilience	89.1 / 100

Hazard Breakdown

Tornado	Relatively Low
Earthquake	Very Low
Wildfire	Very 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 Moderate
Drought	Relatively Low
Cold Wave	Relatively Low
Landslide	Very Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

4 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.6. Most recent: M2.5 on Jan 16, 2022.

Oct 25, 1990	8 km N of Plankinton, South Dakota	M3.6	105 km
Jul 26, 2002	0 km WSW of Huron, South Dakota	M3.1	74 km
Jan 4, 2021	5 km N of Tyndall, South Dakota	M3.1	139 km
Jan 16, 2022	9 km NE of Plankinton, South Dakota	M2.5	101 km

Source: USGS (M2.5+, 1990–2025)

Tornado History

527 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 7 fatalities, 257 injuries.

Date	Rating	Distance	Fatalities
Jun 18, 2014	EF4	90 km	0
Jun 24, 2003	EF4	37 km	0
May 30, 1998	EF4	61 km	6
Jun 7, 1993	EF4	39 km	0
Jun 7, 1993	EF4	65 km	0
Jul 7, 1955	EF4	93 km	1
May 30, 2022	EF3	74 km	0
Jun 24, 2003	EF3	85 km	0
Jun 24, 2003	EF3	60 km	0
Jun 7, 1993	EF3	48 km	0
Jun 7, 1993	EF3	37 km	0
Jun 7, 1993	EF3	47 km	0
May 7, 1993	EF3	70 km	0
Jun 16, 1992	EF3	18 km	0
Jun 16, 1992	EF3	24 km	0
May 12, 1984	EF3	80 km	0
Jul 18, 1983	EF3	76 km	0
Jun 15, 1970	EF3	30 km	0
Jun 20, 1968	EF3	81 km	0
May 24, 1965	EF3	82 km	0

Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

1 wildfire (100+ acres) within 100 km. Largest: TAHOHPI WUI RX (1,166 ac, 2009).

Year	Name	Acres	Distance
2009	TAHOHPI WUI RX	1,166	88 km

Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	15°F (-10°C)	0.5 in	Coldest, Driest
February	19°F (-7°C)	0.7 in
March	31°F (-0°C)	1.7 in
April	45°F (7°C)	2.3 in
May	58°F (14°C)	3.0 in
June	67°F (20°C)	3.9 in	Wettest
July	72°F (22°C)	3.2 in	Warmest
August	70°F (21°C)	2.8 in
September	60°F (16°C)	2.3 in
October	47°F (9°C)	1.9 in
November	30°F (-1°C)	1.0 in
December	17°F (-8°C)	0.6 in

Oldham has a seasonal temperature swing of 57°F / from 15°F in January to 72°F in July. Total annual precipitation is 23.8 inches, with June being the wettest month (3.9") and January the driest (0.5").

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