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Dunlap, Iowa

8 topographic sheets cover this place, the earliest surveyed in 1954 and the latest in 1980. It stands in Harrison Township. It lies in ZIP code area 51529. The Survey maps it on the Dunlap quadrangle. 1,038 people lived here at the 2020 count. It stands 1,145 feet above sea level.

Dunlap within Harrison County

On record in Dunlap

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 2 records

Population over time

2 figures

Dunlap fell from 1,042 to 1,038 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
20101,042
20201,038-4 (-0%)

Topographic sheets covering this place

5 surveys from 8 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

5 since 2013

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 5 fires within 5 miles of Dunlap between 2013 and 2020, burning about 96 acres in total. None started naturally. None 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 burning5

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
8 April 2020Debris and open burning80 acresIowa Department of Natural Resourcesnot named
1 April 2013Debris and open burning7.0 acresIowa Department of Natural Resourcesnot named
4 March 2017Debris and open burning1.5 acresIowa Department of Natural Resourcesnot named
24 March 2018Debris and open burning2.0 acresIowa Department of Natural Resourcesnot named
16 March 2015Debris and open burning5.0 acresIowa Department of Natural Resourcesnot named

Settlements close enough to share some of these fires:

Every fire recorded in Harrison County

Mines and quarries near this place

4 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 4 workings within 5 miles of Dunlap: 4 past producers. None of them 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
Dunlap PitSand and Gravel, ConstructionPast Producer
Rause PitSand and Gravel, ConstructionPast Producer
Rogers PitSand and Gravel, ConstructionPast Producer
UnknownSand and Gravel, ConstructionPast Producer

Every working recorded in Harrison County

Storms near this place

19 since 1994

Regional context, not property-specific evidence. The National Weather Service names Dunlap in 19 storm reports between 1994 and 2026: 11 hail, 5 thunderstorm wind, 3 flood. No death or injury is recorded in these reports. 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 2019FloodDunlap$2,200,000Thiere was for flooding along the Boyer River. The river gauge at Logan, operated by the USGS, peaked at 25.33 feet at 7 pm on March 13th. Major flood stage is 25 feet. Preliminary information shows this peak is the highest on record. Portions of the town of Missouri Valley flooded from the flood. Highway 30 closed in Woodbine. A levee topped by floodwaters at 296th street in Missouri Valley, on the east side of the levee around 2 miles northeast of town. Also 2 breaches in the levee around Willow Creek. Evacuations took place in Missouri Valley. Property damage totals are for the entire county from flooding of the Boyer River, Willow Creek, and Missouri River.
August 1994Thunderstorm WindDunlap$50,000no account filed
April 2026HailDunlap-Public report of hail estimated at 1.75 inches in diameter.
April 2026HailDunlap-Emergency management report of hail estimated at 1.75 inches in diameter.
April 2026HailDunlap-Trained spotter report of hail estimated at 1.75 inches in diameter with all windows broken on the west side of a home.
April 2026HailDunlap-Local business reported approximately quarter size hail in Dunlap, IA.
June 2021Thunderstorm WindDunlap-Law enforcement reported a large tree limb on US 30 blocking the road.
May 2013HailDunlap-Although most of the hail was pea to nickel-size, a few stones reached quarter-size.
August 2011HailDunlap-Hail, a few stones around baseball-size, caused vehicle and home damage in the Dunlap area.
July 2010Thunderstorm WindDunlap-A spotter estimated thunderstorm wind gusts around 60 mph.
May 2008Thunderstorm WindDunlap-Thunderstorm winds which were estimated at 70 mph by a trained spotter flipped a fuel tank over and knocked down medium size tree limbs.
June 2008FloodDunlap-Rainfall of 2 to 4 inches across much of Harrison county caused the Boyer river to flood. The flood waters crossed Highway 30 northeast of Logan and in the Woodbine area causing its closure between Logan and Denison. Seven or eight homes in east Logan were flooded, along with a business, the school's athletic field and railroad tracks. Many county roads and agricultural lowlands were also flooded.||The Boyer River at Logan crested at 24.8 feet around noon CDT on June 8, flood stage is 19 feet. The river at Logan was above flood stage from around 545 am on June 8 until 715 am on June 9.
August 2007Thunderstorm WindDunlap-Numerous tree branches were downed near Dunlap, including one around 8 inches in diameter.
May 2007FloodDunlap-Rainfall of 5 to 8 inches fell over much of Harrison county over the weekend of May 4th through the 6th. Logan reported nearly 8 inches from this event. The heavy rain caused the Boyer River to flood on May 6th. The Boyer River at Logan reached a crest just above 21 feet around 115 pm cdt May 6th, flood stage is 19 feet. The river at Logan was above flood stage from 1000 am until around 6 pm on May 6th.
June 2016HailDunlap-no account filed
April 2010HailDunlap-no account filed
June 2008HailDunlap-no account filed
May 2007HailDunlap-no account filed
September 2006HailDunlap-no account filed

Every storm recorded in Harrison 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
Baird (historical)4.8 miles8
Woodbine9.7 miles8
Allen (historical)12.1 miles8
Willett13.3 miles8
Pisgah17.3 miles8
Logan17.7 miles8
Hard Scratch17.7 miles8
Magnolia18.3 miles8

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 DunlapAn encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied.
Wikidata item Q1933277The 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 456066. 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.