South Dakota›Douglas County

Iowa TownshipSD

A town of 91.

Population

2025 Census estimate · +1.1% since 2020

Is Iowa Township a good place to live?

Iowa Township’s median household income is $250,000, where South Dakota’s towns sit at $72,000 and U.S. towns at $80,000. 27% of the land in Iowa Township is conserved, against 3.3% in South Dakota’s towns and 4.3% across U.S. towns. Iowa Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

91 people, and everyone knows the way

In a town this size, neighbors are the best guide. Ask them anything.

Nearby towns

Clark Township · 5 mi Grandview Township · 6 mi Moore Township · 6 mi Holland Township · 6 mi Chester Township · 7 mi Corsica · 7 mi

Grandview TownshipChester TownshipClark TownshipHolland TownshipIowa Township

Committee on education & labor, 5/14/20, 1920

Iowa Township’s story

Iowa Township in pictures

The archive holds 1 old photo or paper going back to 1920 and a map from 1986 on.

Explore the history →

Getting set up

Moving to Iowa Township: who provides what

Who provides power, water and the rest in Iowa Township, and how to reach them.

The full setup list →

PowerNorthWestern Energy13.3¢/kWh · EIA 2025HIFLD · EIA

WaterRandall Community Water DistrictNo health-based violations in 5 years · EPAEPA

Internet4 providers100% of addresses get 100/20 MbpsFCC

Trash & dumpNot on file yetWe don’t have Iowa Township’s trash rules yet

SchoolsCorsica-Stickney School District 21-3Which school depends on your addressNCES

Register to voteIn personSouth Dakota has no online registration; you can register in person until 15 days before Election Day or by mail (received 15 days before).vote.gov

Who runs elections hereDouglas County AuditorDouglas County; contacts on the Handbook page.FVAP, Aug 2025

ZIP codes57328, 57313, 5734457328 70% · 57313 16% · 57344 15%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 3, 2026.

The data

Ordered by what stands out in Iowa Township.

Outdoors

Nearly a quarter of Iowa Township is conserved land

15 miles of trail in 0 parks and preserves.

27.1%conserved

27.1%

conserved · 6,196 of 22,870 acres

15 mi

of trails · 0.4 per sq mi

Full pageIowa Township’s outdoors pageOpen the page

Trail map15 miles of trail, mapped Pick a walkPick a walk Conserved land27.1% conserved · 6,196 acres protected Questions“Where can I hike in Iowa Township?”

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

Climate

Four seasons and pleasant summers in Iowa Township

Iowa Township has cold, snowy winters and warm summers. The July high in Iowa Township is 87°F.

34″snow a winter

Typical low → high °F

Winter12–32°

Spring35–59°

Summer60–84°

Fall37–61°

Oct 6

typical first frost

May 3

typical last frost

+0.9°

vs. the 20th-century average

Full pageIowa Township’s climate pageOpen the page

A year of weatherJuly highs 87°, January lows 10°Rain & snow34″ of snow a winter · 25 inches of rain and snow a year Heating & coolingMostly a heating bill Then and now+0.9° vs. the 20th century · Warmer than the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Natural hazards

Iowa Township faces a low natural-hazard risk, led by cold waves

Expected storm and flood damage is lower than in 65% of U.S. communities.

35risk score of 100

FEMA risk score

Cold wavesInland floodingTornadoes

Full pageIowa Township’s hazards pageOpen the page

What it facesLow risk Flood claims0 paid flood claims · No paid flood claims on record Past disasters16 disaster declarations · Declared for the county Get ready6.3 events a year, on average · Ready for cold waves

FEMA National Risk Index · OpenFEMA

Health

How healthy Iowa Township is

Iowa Township beats the South Dakota average on 2 of 26 CDC measures and trails it on 9. 40% of Iowa Township adults have high blood pressure. Among 36 South Dakota towns, just 2 have a higher share of adults who have diabetes than Iowa Township.