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South Dakota›Beadle County
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Foster TownshipSD

A town of 94.

Population
94
2025 Census estimate · +4.4% since 2020
Household income
$99K
median
Median age
53.5
years

Is Foster Township a good place to live?

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

Small town

94 people, and everyone knows the way

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

Nearby towns
Barrett Township · 5 miLiberty Township · 6 miYale · 6 miBanner Township · 6 miLe Sueur Township · 7 miRosedale Township · 8 mi
Banner TownshipLiberty TownshipLe Sueur TownshipBanner TownshipLiberty TownshipLe Sueur TownshipFoster Township
Getting set up

Moving to Foster Township: who provides what

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

The full setup list →
PowerNorthWestern Energy13.3¢/kWh · EIA 2025HIFLD · EIA
WaterMid-Dakota Rural WaterNo health-based violations in 5 years · EPAEPA
Internet5 providers100% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Foster Township’s trash rules yet
SchoolsIroquois School District 02-3Which 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 hereBeadle County AuditorBeadle County; contacts on the Handbook page.FVAP, Jul 2023
ZIP codes57353, 57386, 5732257353 38% · 57386 36% · 57322 26%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 Foster Township.

Climate

The climate in Foster Township brings four seasons and pleasant summers

Expect July afternoons of 85° and January nights of 5°, with about 39 inches of snow a winter.

39″snow a winter

Typical low → high °F

Winter8–28°
Spring33–56°
Summer59–82°
Fall35–59°
Oct 2
typical first frost
May 6
typical last frost
+1.2°
vs. the 20th-century average
Full pageFoster Township’s climate pageOpen the page
A year of weatherJuly highs 85°, January lows 5°Rain & snow39″ of snow a winter · 23 inches of rain and snow a yearHeating & coolingMostly a heating billThen and now+1.2° vs. the 20th century · Warmer than the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Health

How healthy Foster Township is

For adults in Foster Township, the share who report frequent physical distress is 12%. This South Dakota town tracks South Dakota closely on all 26 CDC measures. Among adults locally, 28% sleep under 7 hours, against 30% in South Dakota’s towns and 36% across U.S. towns. 75% of adults locally had a checkup this year; 19% binge drink.

Foster TownshipSouth Dakota townsU.S. towns
Sleep under 7 hours (CDC PLACES)28%30%36%
Yearly checkup (CDC PLACES)75%76%79%
Binge drink (CDC PLACES)19%19%16%
Frequent mental distress (CDC PLACES)15%15%17%
26 measures vs. South Dakota
0 better26 too close to call0 worse
Huron Regional Medical Center
17.9 mi away · emergency room
3 of 3
care shortages: primary care, dental, mental health
Full pageFoster Township’s health reportOpen the page
Everyday habitsFewer smokersHospitals & doctors nearby17.9 miles to an ER · Huron Regional Medical CenterHow adults are doingFewer adults in fair or poor healthEvery CDC estimateBetter than SD on 0 of 26

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

Natural hazards

Foster Township faces a moderate natural-hazard risk, led by inland flooding

FEMA puts 38% of Foster Township’s expected hazard losses down to inland flooding, and 25% to drought. Expected storm and flood damage is higher than in just over half of U.S. communities.

51risk score of 100
FEMA risk score
51Moderate riskLowerHigher
Inland floodingDroughtCold waves
Full pageFoster Township’s hazards pageOpen the page
What it facesModerate riskFlood claims0 paid flood claims · No paid flood claims on recordPast disasters18 disaster declarations · Declared for the countyGet ready2.5 events a year, on average · Ready for inland flooding

FEMA National Risk Index · OpenFEMA

Keep exploring

Everything we know about Foster Township

13pages on Foster Township
The big questions
HealthBetter than SD on 0 of 26 CDC measuresWork & commute$99K median household incomeNatural hazardsFEMA risk higher than 51% of U.S. communities · inland flooding
Out and about
PlacesLibraryHuron Public LibraryColleges
The story
Town Hall & politicsClimate85° summer highs · 39″ of snow
Day to day
NewsWeatherHandbookTown SquareNeighbors
After high school

Colleges nearby

None within 15 miles of Foster Township; the nearest are

Lake Area Technical CollegeCommunity college · Public · Watertown48.5 mi$6,718 in-state tuitionDakota State UniversityUniversity or college · Public · Madison52.1 mi$9,654 in-state tuition

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

Prices by family income, graduation and earnings →

Questions about Foster Township

Short answers, built from the data on this page.

Is Foster Township, SD a good place to live?

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