Cooper TownshipSD

A town of 18.

2025 Census estimate · +12.5% since 2020

Is Cooper Township a good place to live?

Cooper Township’s January low is 8°F, against 9°F in South Dakota’s towns and 22°F across U.S. towns. 30% of the land in Cooper Township is conserved, above both South Dakota’s towns (3.3%) and U.S. towns (4.3%). Cooper Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

18 people, and everyone knows the way

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

Nearby towns

Firesteel Township · 5 mi Bristol Township · 6 mi Pleasant Valley Township · 6 mi Lake Township · 7 mi Eureka Township · 8 mi Patten Township · 8 mi

Pleasant Valley TownshipFiresteel TownshipLake TownshipEureka TownshipCooper Township

Getting set up

Moving to Cooper Township: who provides what

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

The full setup list →

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

WaterAurora-Brule Rural Water SystemNo health-based violations in 5 years · EPAEPA

Internet2 providers100% of addresses get 100/20 MbpsFCC

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

SchoolsPlankinton School District 01-1 White Lake School District 01-32 districts serve Cooper Township; which school depends on your address and gradeNCES

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 hereAurora County AuditorAurora County; contacts on the Handbook page.FVAP, Jul 2023

ZIP codes57383, 5736857383 60% · 57368 40%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 Cooper Township.

Outdoors

Nearly a third of Cooper Township is conserved land

3.6 miles of trail in 0 parks and preserves. Only 3 of the 33 South Dakota towns we compare have a lower trail density than Cooper Township.

30.3%conserved

30.3%

conserved · 6,548 of 21,591 acres

3.6 mi

of trails · 0.1 per sq mi

Full pageCooper Township’s outdoors pageOpen the page

Trail map3.6 miles of trail, mapped Pick a walkPick a walk Conserved land30.3% conserved · 6,548 acres protected Questions“Where can I hike in Cooper Township?”

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

Climate

In Cooper Township, expect four seasons and pleasant summers

Cooper Township has cold, snowy winters and warm summers. July afternoons reach 86°, January nights drop to 8° and about 38 inches of snow falls in a winter.

38″snow a winter

Typical low → high °F

Winter11–31°

Spring34–58°

Summer59–83°

Fall36–61°

Oct 5

typical first frost

May 3

typical last frost

+1.3°

vs. the 20th-century average

Full pageCooper Township’s climate pageOpen the page

A year of weatherJuly highs 86°, January lows 8°Rain & snow38″ of snow a winter · 24 inches of rain and snow a year Heating & coolingMostly a heating bill Then and now+1.3° vs. the 20th century · Warmer than the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Health

How healthy Cooper Township is

Cooper Township beats the South Dakota average on 2 of 26 CDC measures and trails it on 4. 29% of adults sleep under 7 hours in Cooper Township. Only 2 of the 36 South Dakota towns we compare have a lower share of adults who have been diagnosed with depression than Cooper Township.