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Delmont, South Dakota

9 topographic sheets cover this place, the earliest surveyed in 1955 and the latest in 1990. It stands in Belmont Township. It lies in ZIP code area 57330. The Survey maps it on the Delmont quadrangle. 153 people lived here at the 2020 count. It stands 1,493 feet above sea level.

Delmont within Douglas County

On record in Delmont

Buildings and businesses the archive holds for this place. Each opens its own page, with the source record it came from.

On the National Register 5 records

Population over time

2 figures

Delmont fell from 234 to 153 between 2010 and 2020. These are the recorded population figures Wikidata holds for this place, reached through the Geographic Names Information System number this page is keyed on rather than by name, so they belong to this place and not to another of the same name. Most are census counts, but not all are: an early figure may be a founding or settlement estimate, and an estimate published within five years of a census is left out. The change column is computed, and is left blank where more than 20 years separate a figure from the one before it, because a gap that long is not a change between two counts.

YearPeople Change
2010234
2020153-81 (-35%)

Topographic sheets covering this place

5 surveys from 9 printed sheets

Matched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.

Fires near this place

8 since 2008

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 8 fires within 5 miles of Delmont between 2008 and 2020, burning about 39 acres in total. None started naturally. 1 was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.

Reported cause Fires
Debris and open burning4
Missing data/not specified/undetermined2
Arson/incendiarism1
Smoking1

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

DateCause SizeReported by Name on the report
5 April 2011Debris and open burningunder an acreSouth Dakota Wildland Fire SuppressionGREEN WOOD COLONY IRON PILE
19 April 2008Debris and open burning5.0 acresSouth Dakota Wildland Fire Suppressionnot named
9 March 2015Smoking3.0 acresSouth Dakota Wildland Fire SuppressionNEW 18 WEST
7 March 2015Missing data/not specified/undeterminedunder an acreSouth Dakota Wildland Fire Suppression1/2 MILE WEST OF DELMONT
21 March 2012Debris and open burning20 acresSouth Dakota Wildland Fire SuppressionMARUIN LAU 2012-01
5 December 2020Debris and open burning10 acresSouth Dakota Wildland Fire SuppressionLEDEBOER202001
18 December 2010Arson/incendiarismunder an acreYankton AgencySANTA CLAUS
14 November 2017Missing data/not specified/undeterminedunder an acreSouth Dakota Wildland Fire SuppressionGOEHRING STALKS

Settlements close enough to share some of these fires:

Every fire recorded in Douglas County

Mines and quarries near this place

3 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 3 workings within 5 miles of Delmont: 2 past producers, 1 producer. 1 still produces. What was taken out: Sand and Gravel, Construction. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Where SiteCommodity StatusRecorded
Delmont Hieb Sand PitSand and Gravel, ConstructionPast Producer
Grosz PitSand and Gravel, ConstructionProducer
James Goetz PitSand and Gravel, ConstructionPast Producer

Every working recorded in Douglas County

Storms near this place

39 since 1999

Regional context, not property-specific evidence. The National Weather Service names Delmont in 39 storm reports between 1999 and 2025: 28 hail, 8 thunderstorm wind, 2 tornado, 1 wildfire. The reports record 1 death and 10 injuries. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.

WhenEvent Place namedHarm What the report says
March 2000WildfireDelmont1 killed, 1 hurt, $5,000no account filed
May 2015Tornado (EF2)Delmont9 hurt, $1,500,000A tornado, crossing into Douglas County from Charles Mix County, destroyed or damaged 84 structures in and near Delmont, and injured 9 people in Delmont. About 50 of the homes and other structures were destroyed or severely damaged. The damage included numerous small farm buildings totally destroyed, most at four farms south of Delmont, several houses severely damaged, a large and 100 year old church severely damaged, and a newly constructed fire hall destroyed. Power lines and poles were down and the town was without power and water for two days. 100 residents were displaced.
July 2014Thunderstorm WindDelmont$5,000Thunderstorm winds destroyed a machine shed, and caused tree damage.
September 2012Thunderstorm WindDelmont$1,000Thunderstorm winds damaged a metal barn.
July 2023HailDelmont-Golf ball to tennis ball sized hail fell straight down, which cracked the windshield on a parked pickup truck.
June 2022Thunderstorm WindDelmont-The temporary roof was blown off a school.
June 2020HailDelmont-Crop damage is an estimate from insured losses. Information provided by the United States Department of Agriculture.
July 2019Thunderstorm WindDelmont-Significant tree damage and some damage to buildings in town. Power was knocked out to most of the town through the morning hours.
April 2018HailDelmont-First of two quarter size hail events for the day.
April 2018HailDelmont-The ground was covered with three to four inches of hail. Hail was accompanied by 25 to 30 mph winds, which pounded some paint off an outbuilding.
July 2014HailDelmont-Large hail, driven by strong winds, broke windows and dented vehicles.
September 2012HailDelmont-Large hail was accompanied by damaging wind gusts.
September 2006HailDelmont-Large hail damaged siding, windows, and cars. The damage was significant but confined to a small area according to local law enforcement. The amount of damage was not known.
September 2006HailDelmont-Large hail damaged siding, windows, and cars. The damage was significant but confined to a small area according to local law enforcement. The amount of damage was not known.
September 2006Tornado (F0)Delmont-A brief tornado caused no reported damage.
August 2004Thunderstorm WindDelmont-Thunderstorm winds damaged power lines, causing a power outage.
August 2025HailDelmont-no account filed
July 2023HailDelmont-no account filed
April 2022HailDelmont-no account filed
April 2018HailDelmont-no account filed
August 2017HailDelmont-no account filed
June 2017HailDelmont-no account filed
May 2011HailDelmont-no account filed
June 2010HailDelmont-no account filed
June 2010HailDelmont-no account filed
June 2009HailDelmont-no account filed
June 2008Thunderstorm WindDelmont-no account filed
June 2008HailDelmont-no account filed
May 2008HailDelmont-no account filed
August 2007HailDelmont-no account filed
July 2004HailDelmont-no account filed
July 2004HailDelmont-no account filed
July 2004HailDelmont-no account filed
August 2002HailDelmont-no account filed
August 2002HailDelmont-no account filed
August 2002Thunderstorm WindDelmont-no account filed
August 2002HailDelmont-no account filed
May 2000Thunderstorm WindDelmont-no account filed
May 1999HailDelmont-no account filed

Every storm recorded in Douglas County

Nearest settlements

The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.

Map PlaceDistance Sheets
Greenwood Colony3.8 miles9
Armour10.4 miles9
Douglas City (historical)11.2 miles9
Grandview (historical)13.7 miles9
Hillside14.1 miles9
Corsica16.9 miles9
Harrison22.3 miles9
New Holland26.1 miles9

Elsewhere

Matched on this settlement's Geographic Names Information System number rather than its name, so it cannot be a different place of the same name in another state.

Wikipedia article on DelmontAn encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied.
Wikidata item Q2575269The structured record the population and elevation above come from. Public domain (CC0).

Provenance

This settlement is recorded in the Geographic Names Information System as feature 1254665. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.

Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.

Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.

Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.