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South Dakota›Perkins County
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Sidney TownshipSD

A town of 9, settled in 1910.

Population
9
2025 Census estimate · +0% since 2020

Is Sidney Township a good place to live?

Sidney Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

9 people, and everyone knows the way

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

Nearby towns
Wilson Township · 6 miGlendo Township · 6 miVail Township · 8 miFredlund Township · 8 miLodgepole Township · 9 miCash Township · 11 mi
Vail TownshipGlendo TownshipFredlund TownshipWilson TownshipVail TownshipGlendo TownshipFredlund TownshipWilson TownshipSidney Township
Getting set up

Moving to Sidney Township: who provides what

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

The full setup list →
PowerMontana-Dakota Utilities13.0¢/kWh · EIA 2025HIFLD · EIA
WaterPerkins County Rural WaterNo health-based violations in 5 years · EPAEPA
Internet1 providers100% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Sidney Township’s trash rules yet
SchoolsLemmon School District 52-4Which 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 herePerkins County AuditorPerkins County; contacts on the Handbook page.FVAP, Jul 2023
ZIP codes57640, 5764957640 62% · 57649 38%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 Sidney Township.

Climate

Expect four seasons and pleasant summers in Sidney Township

The seasons in Sidney Township: cold, snowy winters, warm summers, with very little rain. Summer afternoons peak near 86° in July, and January nights bottom out around 7°; snowfall runs to about 40 inches a winter.

40″snow a winter

Typical low → high °F

Winter9–31°
Spring30–56°
Summer54–83°
Fall31–59°
Sep 11
typical first frost
May 30
typical last frost
+1.4°
vs. the 20th-century average
Full pageSidney Township’s climate pageOpen the page
A year of weatherJuly highs 86°, January lows 7°Rain & snow40″ of snow a winter · 16 inches of rain and snow a yearHeating & coolingMostly a heating billThen and now+1.4° vs. the 20th century · Warmer than the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Health

How healthy Sidney Township is

Sidney Township: 29% of adults sleep under 7 hours. On the CDC’s 26 measures, Sidney Township is ahead of South Dakota on 2 and behind on 3. Only 3 of the 36 South Dakota towns we compare have a higher share of adults who report frequent physical distress than Sidney Township. 13% of adults here have diabetes; 17% smoke cigarettes.

Sidney TownshipSouth Dakota townsU.S. towns
Sleep under 7 hours (CDC PLACES)29%30%36%
Diabetes (CDC PLACES)13%10%12%
Smoke cigarettes (CDC PLACES)17%14%14%
High blood pressure (CDC PLACES)37%31%35%
26 measures vs. South Dakota
2 better21 too close to call3 worse
What stands outSidney TownshipSD
More adults treating high blood pressure79.1%75.9%
More adults getting cholesterol checked87.6%84.8%
More adults with heart disease8.2%6.8%
West River Regional Medical Center
21.7 mi away · emergency room
3 of 3
care shortages: primary care, dental, mental health
Full pageSidney Township’s health reportOpen the page
Everyday habitsMore smokersHospitals & doctors nearby21.7 miles to an ER · West River Regional Medical CenterHow adults are doingMore adults in frequent physical distressEvery CDC estimateBetter than SD on 2 of 26

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

Natural hazards

Top of a moderate hazard risk in Sidney Township: cold waves

Of the losses FEMA expects in Sidney Township, 41% come from cold waves and 29% from inland flooding. Expected damage from storms and floods is higher here than in 54% of U.S. communities. Federal disaster aid has reached households in Sidney Township once, in 2009.

54risk score of 100
FEMA risk score
54Moderate riskLowerHigher
Cold wavesInland floodingWildfire
1
federal disasters paid out here
Full pageSidney Township’s hazards pageOpen the page
What it facesModerate riskFlood claims0 paid flood claims · No paid flood claims on recordPast disasters1 federal disaster · Paid out in Sidney TownshipGet ready8.6 events a year, on average · Ready for cold waves

FEMA disaster declarations and aid · FEMA National Risk Index · OpenFEMA

Keep exploring

Everything we know about Sidney Township

12pages on Sidney Township
The big questions
HealthBetter than SD on 2 of 26 CDC measuresNatural hazardsFEMA risk higher than 54% of U.S. communities · cold waves
Out and about
PlacesLibraryBison Public Library
The story
HistorySettled 1910Town Hall & politicsClimate86° summer highs · 40″ of snow
Day to day
NewsWeatherHandbookTown SquareNeighbors
After high school

Colleges nearby

None within 15 miles of Sidney Township; the nearest are

Dickinson State UniversityUniversity or college · Public · Dickinson, ND81.2 mi$9,118 in-state tuitionWestern Dakota Technical CollegeCommunity college · Public · Rapid City114.3 mi$8,294 in-state tuition

About 0 of every 100 Sidney Township residents are enrolled in college, against 5 across South Dakota.

Prices by family income, graduation and earnings →

Questions about Sidney Township

Short answers, built from the data on this page.

Is Sidney Township, SD a good place to live?

Sidney Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.