South Dakota›Marshall County

Sisseton TownshipSD

A town of 71.

Population

2025 Census estimate · +4.4% since 2020

Is Sisseton Township a good place to live?

Sisseton Township’s average trip to work is 8 minutes, below both the South Dakota town median (17 minutes) and the median of U.S. towns (25 minutes). No town among the 36 in South Dakota we compare has a lower share of adults with a bachelor’s degree than Sisseton Township. Sisseton Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

71 people, and everyone knows the way

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

Nearby towns

Waverly Township · 5 mi Hickman Township · 5 mi Fort Township · 6 mi Hamilton Township · 6 mi Independence Township · 7 mi Langford · 8 mi

Fort TownshipWaverly TownshipIndependence TownshipHickman TownshipLiberty TownshipSisseton Township

Sisseton, S. Dak, 1909

Sisseton Township’s story

Sisseton Township in pictures

Census counts: 928 in 1900, 2,479 in 2020. The archive holds 6 old photos and papers going back to 1909 and a map from 1958 on.

Explore the history →

Getting set up

Moving to Sisseton Township: who provides what

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

The full setup list →

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

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

Internet3 providers100% of addresses get 100/20 MbpsFCC

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

SchoolsLangford School District 45-5Which 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 hereMarshall County AuditorMarshall County; contacts on the Handbook page.FVAP, Jul 2023

ZIP codes57454, 5743057454 99% · 57430 1%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 Sisseton Township.

Natural hazards

Sisseton Township stands out in South Dakota and nationally, with the FEMA risk score lower than most

Sisseton Township’s FEMA risk score is 22 of 100, against 54 of 100 in South Dakota’s towns and 44 of 100 across U.S. towns.

22risk score of 100

FEMA risk score

Cold wavesInland floodingHail

Full pageSisseton Township’s hazards pageOpen the page

What it facesLow risk Flood claims0 paid flood claims · No paid flood claims on record Past disasters18 disaster declarations · Declared for the county Get ready14 events a year, on average · Ready for cold waves

FEMA National Risk Index · OpenFEMA

Climate

Snowy winters and pleasant summers in Sisseton Township

Sisseton Township has cold, snowy winters and pleasant summers. Sisseton Township’s July high is 81°F.

45″snow a winter

Typical low → high °F

Winter6–23°

Spring31–53°

Summer57–79°

Fall35–55°

Sep 26

typical first frost

May 13

typical last frost

+1.1°

vs. the 20th-century average

Full pageSisseton Township’s climate pageOpen the page

A year of weatherJuly highs 81°, January lows 2°Rain & snow45″ of snow a winter · 24 inches of rain and snow a year Heating & coolingMostly a heating bill Then and now+1.1° vs. the 20th century · Warmer than the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Health

How healthy Sisseton Township is

Sisseton Township beats the South Dakota average on 4 of 26 CDC measures and trails it on 5. 14% of Sisseton Township adults report frequent mental distress. Only 2 of the 36 South Dakota towns we compare have a lower share of adults who have been diagnosed with depression than Sisseton Township.

	Sisseton Township	South Dakota towns	U.S. towns
Frequent mental distress (CDC PLACES)	14%	15%	17%
Sleep under 7 hours (CDC PLACES)	29%	30%	36%
Depression (CDC PLACES)	19%	22%	23%
High blood pressure (CDC PLACES)	37%	31%	35%