Dike, Iowa
9 topographic sheets cover this place, the earliest surveyed in 1954 and the latest in 1984. It stands in Grant Township. It lies in ZIP code area 50624. It stands on South Fork Blackhawk Creek. The Survey maps it on the Dike quadrangle. 1,304 people lived here at the 2020 count. It stands 945 feet above sea level.
Population over time
2 figuresDike grew from 1,209 to 1,304 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.
| Year | People | Change |
|---|---|---|
| 2010 | 1,209 | |
| 2020 | 1,304 | +95 (+8%) |
Topographic sheets covering this place
4 surveys from 9 printed sheetsMatched 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.
- 1954 USGS Waterloo quadrangle1:250000, 4 printings
- 1955 USGS Waterloo quadrangle1:250000, 2 printings
- 1971 USGS Dike quadrangle1:24000
- 1984 USGS Marshalltown quadrangle1:100000, 2 printings
Fires near this place
5 since 2007Regional context, not property-specific evidence. The federal wildfire occurrence database lists 5 fires within 5 miles of Dike between 2007 and 2014, burning about 28 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 |
|---|---|
| Missing data/not specified/undetermined | 5 |
The most recent of them, most recent first, with the day each was reported and the service that recorded it.
| Date | Cause | Size | Reported by | Name on the report |
|---|---|---|---|---|
| 23 April 2009 | Missing data/not specified/undetermined | 5.0 acres | Iowa Department of Natural Resources | not named |
| 2 April 2009 | Missing data/not specified/undetermined | 1.0 acres | Iowa Department of Natural Resources | not named |
| 11 April 2014 | Missing data/not specified/undetermined | 20 acres | Iowa Department of Natural Resources | not named |
| 25 October 2007 | Missing data/not specified/undetermined | 1.0 acres | Iowa Department of Natural Resources | not named |
| 24 October 2007 | Missing data/not specified/undetermined | 1.0 acres | Iowa Department of Natural Resources | not named |
Settlements close enough to share some of these fires:
Mines and quarries near this place
1 within 5 milesRegional context, not property-specific evidence. The federal mineral resources record lists 1 working within 5 miles of Dike: 1 past producer. 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 | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Unknown | Sand and Gravel, Construction | Past Producer |
Storms near this place
31 since 1997Regional context, not property-specific evidence. The National Weather Service names Dike in 31 storm reports between 1997 and 2025: 12 hail, 7 thunderstorm wind, 5 heavy rain, 4 tornado. 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.
| When | Event | Place named | Harm | What the report says |
|---|---|---|---|---|
| June 1997 | Thunderstorm Wind | Dike | $500,000 | no account filed |
| June 2008 | Thunderstorm Wind | Dike | $100,000 | Damage was done to a mobile home park. A shed was destroyed. Mobile home was moved off its foundation with siding blown off homes. |
| July 2013 | Thunderstorm Wind | Dike | $25,000 | Four to six 30 foot high trees, 12 inches in diameter, were downed. Dime size hail also fell. |
| June 2009 | Tornado (EF1) | Dike | $25,000 | A tornado touched down west of Dike and ended north of Dike. A hog containment building sustained significant damage west of Dike. |
| August 2004 | Thunderstorm Wind | Dike | $25,000 | no account filed |
| May 2013 | Thunderstorm Wind | Dike | $10,000 | Trees were blown down in town. Relayed by the Waterloo Courier. |
| September 2011 | Thunderstorm Wind | Dike | $10,000 | Thunderstorms moved through the Dike area causing extensive tree damage on the south side of Dike. |
| April 2010 | Hail | Dike | $10,000 | no account filed |
| April 2010 | Hail | Dike | $5,000 | no account filed |
| May 2004 | Hail | Dike | $5,000 | no account filed |
| June 2000 | Hail | Dike | $5,000 | no account filed |
| August 1997 | Thunderstorm Wind | Dike | $5,000 | no account filed |
| May 2004 | Hail | Dike | $3,000 | no account filed |
| May 2004 | Hail | Dike | $2,000 | no account filed |
| April 2002 | Tornado (F0) | Dike | $1,000 | Touched down briefly in open area north of town, causing little damage. |
| August 2009 | Hail | Dike | $1,000 | no account filed |
| September 2025 | Hail | Dike | - | Quarter sized hail reported by trained spotter. |
| May 2024 | Hail | Dike | - | Quarter sized hail reported in Dike. Photo and video relayed via broadcast media. Time estimated from radar. |
| August 2022 | Funnel Cloud | Dike | - | Pictures of a funnel cloud north of highway 20 between mile markers 212 and 213. |
| June 2022 | Hail | Dike | - | Strong winds reported with quarter sized hail. Relayed by KWWL. |
| June 2020 | Heavy Rain | Dike | - | Coop reported 24 hour rain total of 2.52 inches. Still raining at observation. |
| June 2019 | Hail | Dike | - | Public reported quarter sized hail via the mPING app. |
| August 2019 | Heavy Rain | Dike | - | KWWL recorded heavy rainfall of 2.25 inches over the last 24 hours. |
| July 2018 | Funnel Cloud | Dike | - | Grundy County Sheriff's Office reported a brief funnel cloud near Highway 20. |
| October 2018 | Heavy Rain | Dike | - | Emergency manager relayed a report of heavy rainfall of 3.60 inches. This is a delayed report. Times estimated. Due to limitations in entry, beginning time entered as midnight CST, October 1st. |
| October 2018 | Flood | Dike | - | Emergency manager reported that several creeks were out of their banks across the county. |
| June 2016 | Heavy Rain | Dike | - | Mesonet station recorded heavy rainfall of 3.04 inches over the last 24 hours. |
| September 2016 | Heavy Rain | Dike | - | Mesonet station recorded heavy rainfall of 2.37 inches over the last 24 hours. |
| May 2004 | Tornado (F0) | Dike | - | Tornado touched down in farm fields southwest of Dike. |
| May 2000 | Tornado (F0) | Dike | - | Initial tornado...brief touchdown |
| April 2013 | Hail | Dike | - | no account filed |
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 | Place | Distance | Sheets |
|---|---|---|---|
| Dairyville (historical) | 1.9 miles | 9 | |
| Lincoln | 3.1 miles | 9 | |
| Fredsville | 3.2 miles | 9 | |
| Stout | 6.2 miles | 9 | |
| Zaneta | 6.3 miles | 9 | |
| Lear | 7.3 miles | 9 | |
| Fern | 7.7 miles | 9 | |
| Morrison | 8.6 miles | 9 |
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 Dike | An encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied. |
| Wikidata item Q1933589 | The 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 455920. 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.



